MainFn(pctVar, nVar, principalVar): which calls a secondary function which actually does the calculation and reports the output. Note that the main function will take three single numerical arguments, and the main function calls a secondary function that does the actual calculation and printing. Secondary function: is called by the mainFn() and also takes the three arguments and it performs the calculation and does the printing. Note that you will need to convert the first argument to a percentage. Command I will run and Sample Output: