(Solved) : C Help Format Numerical Decimal Values 4 Digits Decimal Point Process Sample Run Function Q36117953 . . . .

C++ help

Format all numerical decimal values with 4 digits after thedecimal point.

Process and sample run:

a) Function 1: A void functionthat uses parameters passed by reference representing the name of adata file to read data from, amount of principal in an investmentportfolio, interest rate (any number such as 5.5 for 5.5% interestrate, etc.) , number of times the interest is compounded, and thenumber of years the money is invested.

b) Function 2: A doublefunction that accepts the name of a file as its parameter andreturns the average of the numbers . Note, you must open the file,read data from it and close