In this exercise, you will modify the program from Lab10-2. If necessary, create a new project named Intermediate20 Project, and save it in the Cpp8\Chap10 folder. Copy the instructions from the Lab10-2.cpp file into a source file named Intermediate20.cpp. (Alternatively, you can enter the instructions from Figure 10-22 into the Intermediate20.cpp file.) Change the filename in the first comment to Intermediate20.cpp. Patterson Windows is now offering another pricing option: BOGOHO (buy one, get one half-off). Modify the program to allow for this new pricing option. Use a void function named getBoGoHo. Test the program appropriately.

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1 //Lab10-2.cpp - displays total owed 2 //Created/revised by on 3 4 #include 5 #include 6 using namespace std; 7 8 //function prototypes 9 void displayOptions(); 10 void getRegular (int windows, double price, double &total1); 11 void getBoGo(int windows, double price, double &total); 12 13 int main() 14 { int option - 0; int numordered = 0; double winPrice = 0.0; double totalOwed = 0.0; 15 16 17 18 19 20 cout << fixed << setprecision (2); 21 di splayopt ions(); cout << "Pricing option? "; cin >> option; 22 if (option == 1 || option = 2) { cout << "Number of windows: ": cin >> numordered; cout << "Price per window: "; cin >> winPrice; if (option = 1) getRegular(numordered, winPrice, total0wed); else ge tBoGo (numordered, winPrice, totalOwed); //end if 35 36 37 38 cout << "Total owed-----> S" <« totalOwed << endl <« endl; 39 40 else cout <« "Invalid option" <« endl; //end if 41 42 43 44 return 0; //end of main function 45 46 } 47 48 //***** function definitions**** ve 49 void display0ptions() 50 { 51 52 53 54 } //end di splayoptions cout << "Pricing options:" <« endl; Regular pricing" << endl; BOGO pricing" « endl; cout << "1 cout << "2 55 56 void getRegular (int windows, double price, double &total) 57 { 58 total = windows * price; 59 } //end ge tRegular function 60 61 void getBoGo(int windows, double price, double &total) 62 { 63 total = (windows / 2 + wi ndows % 2) * price; 64 } //end getBoGo function Figure 10-22 Lab 10-2's program