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  1. //Matthew Santos     CS1A     Ch. 6, Pg. 239, #1
  2. /***********************************************
  3.  * 
  4.  * CALCULATE RETAIL PRICE
  5.  * _____________________________________________
  6.  * Calculates the retail price of an item based
  7.  * off the wholesale cost and markup percentage.
  8.  * _____________________________________________
  9.  * INPUT
  10.  *      wholesaleCost : wholesale cost of item
  11.  *      markupPercent : markup percentage of item
  12.  * 
  13.  * OUTPUT
  14.  *      retail        : retail price of item
  15.  ***********************************************/
  16. #include <iostream>
  17. using namespace std;
  18.  
  19. double calculateRetail(double, double);
  20.  
  21. int main() {
  22.     double wholesaleCost;
  23.     double markupPercent;
  24.     double retialPrice;
  25.  
  26.     // Ask for input
  27.     cout << "Enter the item's wholesale cost: ";
  28.     cin >> wholesaleCost;
  29.  
  30.     // Validate inputs
  31.     while (wholesaleCost < 0) {
  32.         cout << "Wholesale cost cannot be negative. Enter again: ";
  33.         cin >> wholesaleCost;
  34.     }
  35.  
  36.     cout << "Enter the item's markup percentage: ";
  37.     cin >> markupPercent;
  38.  
  39.     while (markupPercent < 0) {
  40.         cout << "Markup percentage cannot be negative. Enter again: ";
  41.         cin >> markupPercent;
  42.     }
  43.  
  44.     // Calculate and display retail price
  45.     double retailPrice = calculateRetail(wholesaleCost, markupPercent);
  46.     cout << "The item's retail price is $" << retailPrice << endl;
  47.  
  48.     return 0;
  49. }
  50.  
  51. double calculateRetail(double wholesaleCost, double markupPercent)
  52. {
  53.     return wholesaleCost + (wholesaleCost * markupPercent / 100);
  54. }
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Enter the item's wholesale cost: Enter the item's markup percentage: The item's retail price is $31.5
https://ideone.com/UpUHH4
language:
C++ (gcc 8.3)
created:
15 days ago
visibility:
public

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