diff options
Diffstat (limited to 'ledger-tax-report')
| -rwxr-xr-x | ledger-tax-report | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/ledger-tax-report b/ledger-tax-report new file mode 100755 index 0000000..de91f29 --- /dev/null +++ b/ledger-tax-report @@ -0,0 +1,276 @@ +#!/usr/bin/env python3 + +import re +import subprocess +import sys + +if len(sys.argv) == 2: + year = sys.argv[1] +else: + year = '2023' + +def ledger_amount(query): + p = subprocess.run("ledger -p '%s' -n -J --yearly reg %s" % (year, query,), + shell=True, stdout=subprocess.PIPE, text=True) + parts = p.stdout.split(' ') + if len(parts) == 2: + return float(parts[1]) + else: + return 0.0 + +def parse_tax_table(input): + filing_status = 2 # Married/Jointly + table = [] + delta = 0 + prev_max_tax = 0 + for line in input.split("\n"): + if not line: + continue + cols = line.split("\t") + rate = float(cols[0].strip(' %')) / 100.0 + brk = re.sub('[$,]', '', cols[filing_status]).split(' ') + lower = brk[0] + upper = brk[2] + delta + if upper == 'more': + table.append((float(lower), None, rate, delta)) + else: + delta += rate * float(lower) - prev_max_tax + prev_max_tax = float(upper) * rate + table.append((float(lower), float(upper), rate, delta)) + return table + + +income_tax_table = {} + +# c&p from https://taxfoundation.org/2022-tax-brackets/ +income_tax_table['2022'] = parse_tax_table(''' +10% $0 to $10,275 $0 to $20,550 $0 to $14,650 +12% $10,275 to $41,775 $20,550 to $83,550 $14,650 to $55,900 +22% $41,775 to $89,075 $83,550 to $178,150 $55,900 to $89,050 +24% $89,075 to $170,050 $178,150 to $340,100 $89,050 to $170,050 +32% $170,050 to $215,950 $340,100 to $431,900 $170,050 to $215,950 +35% $215,950 to $539,900 $431,900 to $647,850 $215,950 to $539,900 +37% $539,900 or more $647,850 or more $539,900 or more +''') + +# c&p from https://taxfoundation.org/2023-tax-brackets/ +income_tax_table['2023'] = parse_tax_table(''' +10% $0 to $11,000 $0 to $22,000 $0 to $15,700 +12% $11,000 to $44,725 $22,000 to $89,450 $15,700 to $59,850 +22% $44,725 to $95,375 $89,450 to $190,750 $59,850 to $95,350 +24% $95,375 to $182,100 $190,750 to $364,200 $95,350 to $182,100 +32% $182,100 to $231,250 $364,200 to $462,500 $182,100 to $231,250 +35% $231,250 to $578,125 $462,500 to $693,750 $231,250 to $578,100 +37% $578,125 or more $693,750 or more $578,100 or more +''') + +def compute_income_tax(income): + for (lower, upper, rate, sub) in income_tax_table[year]: + if income > lower and (upper is None or income <= upper): + return round(income * rate - sub) + raise Exception("Failed to compute tax") + +def compute_tax_worksheet(taxable_income, qualified_dividends, schedule_d): + line = {} + line['1'] = taxable_income + line['2'] = qualified_dividends + line['3'] = max(0, min(schedule_d['15'], schedule_d['16'])) + line['4'] = line['2'] + line['3'] + line['5'] = max(0, taxable_income - line['4']) + line['6'] = 83350.00 # TODO Tax table (this number from 2022) + line['7'] = min(taxable_income, line['6']) + line['8'] = min(line['5'], line['7']) + line['9'] = line['7'] - line['8'] # 0% tax amount + line['10'] = min(taxable_income, line['4']) + line['11'] = line['9'] + line['12'] = line['10'] - line['11'] + line['13'] = 517200.00 # TODO Tax table (this number from 2022) + line['14'] = min(taxable_income, line['13']) + line['15'] = line['5'] + line['9'] + line['16'] = max(0, line['14'] - line['15']) + line['17'] = min(line['12'], line['16']) + line['18'] = line['17'] * 0.15 + line['19'] = line['9'] + line['17'] + line['20'] = line['10'] - line['19'] + line['21'] = line['20'] * 0.20 + line['22'] = compute_income_tax(line['5']) + line['23'] = line['18'] + line['21'] + line['22'] + line['24'] = compute_income_tax(taxable_income) + line['25'] = min(line['23'], line['24']) + return line + +def compute_schedule_d(net_st, net_lt): + line = {} + line['7'] = net_st + line['15'] = net_lt + line['16'] = line['7'] + line['15'] + + # N.B. this deviates from the instructions + # For simplicity, Form 1040 will always get line 7 from schedule D line 21. + line['21'] = line['16'] + + if line['16'] > 0: + if line['15'] > 0: + line['17'] = 'Yes' + line['18'] = 0.00 # TODO: 28% Rate Gain Worksheet + line['19'] = 0.00 # TODO: Section 1250 Worksheet + if line['18'] == 0.00 and line['19'] == 0.00: + line['20'] = 'Yes' + return line + else: + line['20'] = 'No' + raise Exception("TODO: Implement Schedule D worksheet") + else: + line['17'] = 'No' + # Goto line 22 + elif line['16'] < 0: + # Goto Line 21 (and 22) + line['21'] = max(-3000.00, line['16']) + + # Line 22 - Do you have qualified dividends? + + return line + +def compute_deduction(deductions, limited): + itemized = deductions + itemized += min(10000, limited) + standard = 25900 # TODO Tax table + return max(itemized, standard) + +def credit_limit_worksheet_a(line18): + line = {} + line['1'] = line18 + line['2'] = 0.00 # TODO: Schedule 3 + line['3'] = line['1'] - line['2'] + line['4'] = 0 # TODO: Credit Limit Worksheet B + line['5'] = line['3'] - line['4'] + return line + +# Schedule 8812 +def compute_child_tax_credit(agi, dependants, line18): + line = {} + line['1'] = agi + line['3'] = line['1'] + line['4'] = dependants + line['5'] = line['4'] * 2000.00 + line['6'] = 0 + line['7'] = line['6'] * 500.00 + line['8'] = line['5'] + line['7'] + line['9'] = 400000.00 # Married, filing jointly + line['10'] = max(0, round((line['3'] - line['9'])/1000) * 1000) + line['11'] = line['10'] * 0.05 + if line['8'] > line['11']: + line['12'] = line['8'] - line['11'] + else: + line['14'] = 0 + line['27'] = 0 + return line + line['13'] = credit_limit_worksheet_a(line18)['5'] + line['14'] = min(line['12'], line['13']) + return line + + + + +print("Tax report for %s" % (year)) +print("-------------------") + +################################# +# Gather ledger values + +# Income +income = 0 - ledger_amount('tag EarnedIncome') +taxable_interest = 0 - ledger_amount('"Interest and not HSA"') +qualified_dividends = 0 - ledger_amount('tag QualifiedDividends') +ordinary_dividends = 0 - ledger_amount('tag OrdinaryDividends') +net_st = 0 - ledger_amount('tag ShortTermGains') +net_lt = 0 - ledger_amount('tag LongTermGains') + +# Expenses +total_payments = ledger_amount('tag TaxesPaid') +deductions = ledger_amount('tag ^TaxDeductible$') +deductions_limited = ledger_amount('tag ^TaxDeductibleLimited$') + +# Other +dependants = 2 + + +############################ +# Compute taxes + + +schedule_d = compute_schedule_d(net_st, net_lt) + +line = {} + +# Income +line['1z'] = income +line['2b'] = taxable_interest +line['3a'] = qualified_dividends +line['3b'] = ordinary_dividends +line['4b'] = 0.00 # TODO: IRA Distribution +line['5b'] = 0.00 # TODO: Pension +line['6b'] = 0.00 # TODO: Social security +line['7'] = schedule_d['21'] +line['8'] = 0.00 # TODO: Schedule 1 +line['9'] = line['1z'] + line['2b'] + line['3b'] + line['4b'] + \ + line['5b'] + line['6b'] + line['7'] + line['8'] + +line['10'] = 0.00 # TODO Schedule 1 (line 26) +line['11'] = line['9'] - line['10'] + +line['12'] = compute_deduction(deductions, deductions_limited) +line['13'] = 0.00 # TODO: Form 8995 +line['14'] = line['12'] + line['13'] +line['15'] = max(0, line['11'] - line['14']) + +# Tax and Credits +tax_worksheet = compute_tax_worksheet(line['15'], line['3a'], schedule_d) +line['16'] = tax_worksheet['25'] +line['17'] = 0.00 # TODO: Schedule 2 (line 3) +line['18'] = line['16'] + line['17'] +line['19'] = compute_child_tax_credit(line['11'], dependants, line['18'])['14'] +line['20'] = 0.00 # TODO: Schedule 3 (line 8) +line['21'] = line['19'] + line['20'] +line['22'] = max(0, line['18'] - line['21']) +line['23'] = 0.00 # TODO Schedule 2 (line 21) +line['24'] = line['22'] + line['23'] + +# Payments +line['33'] = total_payments + +# Refund +line['34'] = max(0, line['33'] - line['24']) + +# Amount You Owe +line['37'] = max(0, line['24'] - line['33']) +# TODO Penalty + + +#################### + +print(" 1z. Total income ${:>12,.0f}".format(line['1z'])) +print(" 2b. Taxable interest ${:>12,.0f}".format(line['2b'])) +print(" 3b. Ordinary dividends ${:>12,.0f}".format(line['3b'])) +print(" 7. Capital gain (loss) ${:>12,.0f}".format(line['7'])) +print(" 8. Other income ${:>12,.0f}".format(line['8'])) +print(" 9. Total income ${:>12,.0f}".format(line['9'])) +print(" 10. Adjustments ${:>12,.0f}".format(line['10'])) +print(" 11. AGI ${:>12,.0f}".format(line['11'])) +print() + +print(" 12. Deductions ${:>12,.0f}".format(line['12'])) +print(" 13. Business deduction ${:>12,.0f}".format(line['13'])) +print(" 15. Taxable income ${:>12,.0f}".format(line['15'])) +print() + +print(" 16. Tax ${:>12,.0f}".format(line['16'])) +print(" 16. Total tax ${:>12,.0f}".format(line['24'])) +print(" 33. Total payments ${:>12,.0f}".format(line['33'])) + +if line['34'] > 0: + print(" 34. Tax refund ${:>12,.0f}".format(line['34'])) +else: + print(" 37. Taxes owed ${:>12,.0f}".format(line['37'])) + |