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copyleft on 12/08/07


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level Discount


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Discount levels

Published in: C++ 

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  1. /* Program 3.6 Multiple discount levels */
  2.  
  3. #include <stdio.h>
  4.  
  5. int main(void){
  6.  const double unit_price = 3.50;
  7.  const double discount1 = 0.05;
  8.  const double discount2 = 0.1;
  9.  const double discount3 = 0.15;
  10.  double total_price = 0.0;
  11. int quantity = 0;
  12.  
  13. 	printf("Enter the number that you want to buy:");
  14. 	scanf(" %d", &quantity);
  15.  
  16. 	total_price = quantity+unit_price*(1.0 - (quantity>50 ? discount3 : (quantity>20 ? discount2 :( quantity>10 ? discount1 : 0.0))));
  17.  
  18.  
  19. 	printf("The price for %d is $%.2f\n", quantity, total_price);
  20. 	return 0;
  21. }

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