If necessary, create a new project named ModifyThis19 Project and save it in the Cpp8\Chap12 folder. Enter the C++ instructions shown earlier in Figure 12-10 into a new source file named ModifyThis19.cpp. Change the filename in the first comment. Save and then run the program. Test the program using the following two pay codes: 6 and 5. Enter –1 to stop the program. Add a new pay code and pay rate to the array. The new pay code is 11, and its corresponding pay rate is $23. Make the appropriate modifications to the code. Save and then run the program. Test the program using the following three pay codes: 6, 5, and 11. Enter –1 to stop the program. 

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1 //Wilson Company.cpp - displays the pay rate 2 //corresponding to the pay code entered by the user 3 //Created/revised by on 4 5 #include 6 using namespace std; 7 8 int main() 9 { 10 //declare array and variables 11 int codesAndRates[4][2] = {{3, 8}, {6, 14}, {7, 18}, {9, 20}}; 12 13 14 int payCode = 0; int row = 0; 15 16 17 //get pay code cout <« "Pay code (3, 6, 7, or 9). " <« end%; cout « "Enter a negative number to end: "; cin >> payCode; 18 19 20 21 22 while (payCode >= 0) { //search each row in the array, looking //for the pay code in the first column //continue the search while there are //array elements to search and the pay //code has not been found row = 0; while (row <= 3 && codesAndRates [row] [0] != payCode) 23 24 25 26 27 28 29 30 31 32 33 row += 1; 34 //end while 35 //if the pay code was found, di splay the //pay code and the pay rate stored in the //same row as the pay code but in the //second column of the array 36 37 38 39 40 if (row <= 3) cout « "Pay rate for pay code " <« payCode << ": $" « codesAndRates [row] [1] « endl <« endl; 41 42 43 44 Figure 12-10 Wilson Company program (continues)