상황
A borrower enters home price, down payment, annual interest rate, and loan term to calculate a monthly mortgage payment. The flowchart validates inputs, derives the loan principal, applies the mortgage formula, and displays the payment and total interest.
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01
Validate all inputs and rate > 0 before proceeding
02
Compute loan principal as home price minus down payment
03
Convert annual rate and term to monthly values
04
Provide a sink terminal after displaying final results
Reuse this pattern for any financial calculator flowchart that requires input validation, derived values, formula application, and a clear final output state.