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Implement a credit card payment system that validates a credit card number using the Luhn (Mod 10) algorithm and applies the appropriate discount to a bill amount based on the card type (Visa, Mastercard, American Express, or Discover).
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Miq Digital
Credit Card Validation and Discount Application
Reported May 8, 2026 · 1 source report
SENIOR
Source snapshot: Nov 12, 2026
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