Balance Transfer Savings Calculator

This tool helps users to compare their current loan EMI with a potential lower-interest balance transfer offer. By entering details like outstanding loan amount, current and new interest rates, remaining tenure, and optional processing fee, users can instantly calculate how much interest they could save—or lose—by switching lenders.

Tests for which our app is optimized for .

1.Input Validation Test Ensures inputs (loan amount, interest rates, tenure, fee) are valid numbers and within acceptable ranges.

2.Required Fields Check Validates that required fields (loan amount, old rate, new rate, tenure) cannot be empty.

3.Negative Savings Handling Properly displays a warning when a balance transfer results in a loss instead of savings.

4.Optional Field Handling Handles empty or 0 processing fee gracefully.