The modified savings calculator program is shown in Figure 8-32 in the chapter. If neces...

The modified savings calculator program is shown in Figure 8-32 in the chapter. If necessary, create a new project named Introductoryl9 Project. Enter the C++ instructions from the figure into a source file named Introductoryl9.cpp. Change the filename in the first comment. Save and then run the program. The output is shown in Figure 8-33 in the chapter. Replace the for statement with a while statement, and then save and run the program again.