b. Suppose you as a businessman leave an initial amount of $600 in a savings account at an annual rate of 6 % compounded quarterly. How long will it take for $600 to amount to $900? c. Suppose that you had the opportunity of investing $5000 in a business such that the value of the investment after five years would be $6300. On the other hand, you could instead put the $5000 in a savings account that pays 6% compounded semiannually. Which investment is better