Calculation Method: Uses the exact formulas from the Excel APR_MCA_cost_Simulator.xlsx file.

APR Calculation: Implements Excel's RATE function using Newton-Raphson method for precise results.

Fixed Fee Structure: Total fees calculated upfront (loan_amount × annual_rate × term/12) and distributed equally over the term.

Payment Schedule: Straight-line amortization with equal principal payments and equal fee payments each month.

Local Storage: Results are stored locally in your browser session for reference.