In this exercise, you will modify the tip program shown earlier in Figure 7-31. Follow the instructions for starting C++ and viewing the ModifyThis16.cpp file, which is contained in either the Cpp8\Chap07\ModifyThis16 Project folder or the Cpp8\Chap07 folder. 

(You may need to open the project/solution file first.) Change the for statement to a while statement. Save and then run the program. Test the program using 90.50 as the restaurant bill. The three tips should appear as shown earlier in Figure 7-32.

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Problem specification Create a program that allows the user to enter the amount of a restaurant bill. The program should calculate and display the suggested amounts to tip a waiter using rates of 10%, 15%, and 20%. Use a counter to keep track of the three rates. IPO chart information Input C++ instructions double bill = 0.0; rate (counter: 10% to 20% in increments of 5%) in the for clause bill this variable is created and initialízed Processing none Output tip double tip = 0.0; %3D Algorithm 1. enter the bill cout « "Bill amount: "; cin >> bill; 2. repeat for (rate from 10% to 20% in increments of 5%) calculate tip by multiplying the bill by the rate for (double rate = 0.1; rate <= 0.2; rate += 0.05) { tip = bill * rate; %3! cout <« rate * 100 << "% display the rate and tip tip: "; cout <« "$" « tip <« endl; } end repeat //end for Figure 7-31 Problem specification, IPO chart information, and C++ instructions for the tip program