1. The value V of a savings account after t years is given by V=P (1+/100)" where P is the initial investment, r is the yearly interest rate as a percentage, and n is the number of times per year that the interest is compounded. Ask the user to input values for P, t, r, and n, then output The value of a $#### investment at a yearly interest rate of ##% compounded ## times per year is $##.##. after ## years where ## are the corresponding values. Test your code by determining the value of a $20000 investment after 18 years if the yearly interest rate is 3.5% compounded 6 times per year.