68 lines
2.8 KiB
Python
68 lines
2.8 KiB
Python
class ProfitTaxCalculator:
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def __init__(self, income_tax_rate=0.1):
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self.transactions = []
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self.income_tax_rate = income_tax_rate
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def add_transaction(self, amount, is_income=True, vat_rate=0.0, includes_vat=True):
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"""
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Add a transaction.
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:param amount: The amount billed (positive number).
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:param is_income: True if it is revenue, False if it is an expense.
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:param vat_rate: VAT rate applied (e.g., 0.2 for 20% VAT).
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:param includes_vat: True if the amount provided includes VAT, False if it's net.
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"""
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if vat_rate > 0:
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if includes_vat:
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vat_amount = amount * vat_rate / (1 + vat_rate)
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net_amount = amount / (1 + vat_rate)
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else:
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vat_amount = amount * vat_rate
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net_amount = amount
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else:
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vat_amount = 0
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net_amount = amount
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self.transactions.append((net_amount, vat_amount, is_income))
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def calculate_results(self):
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total_income = sum(t[0] for t in self.transactions if t[2])
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total_expenses = sum(t[0] for t in self.transactions if not t[2])
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total_vat_collected = sum(t[1] for t in self.transactions if t[2])
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total_vat_paid = sum(t[1] for t in self.transactions if not t[2])
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net_profit = total_income - total_expenses
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income_tax_due = net_profit * self.income_tax_rate if net_profit > 0 else 0
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final_profit = net_profit - income_tax_due
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return {
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"Total Revenue": total_income,
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"Total Expenses": total_expenses,
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"VAT Collected": total_vat_collected,
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"VAT Paid": total_vat_paid,
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"Net Profit (Taxable)": net_profit,
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"Income Tax Due": income_tax_due,
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"Final Profit (After Tax)": final_profit
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}
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def display_summary(self):
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results = self.calculate_results()
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print("\n--- Financial Summary ---")
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for key, value in results.items():
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print(f"{key}: {value:.2f} BGN")
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print("--------------------------\n")
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if __name__ == "__main__":
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calc = ProfitTaxCalculator()
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while True:
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try:
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amount = float(input("Enter transaction amount (or 0 to finish): "))
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if amount == 0:
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break
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type_choice = input("Is this income? (y/n): ").strip().lower() == 'y'
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vat_rate = float(input("Enter VAT rate (e.g., 0.2 for 20% or 0 for none): "))
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includes_vat = input("Does the amount include VAT? (y/n): ").strip().lower() == 'y'
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calc.add_transaction(amount, type_choice, vat_rate, includes_vat)
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except ValueError:
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print("Invalid input. Please enter numbers correctly.")
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calc.display_summary()
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