Suppose that a principal of $100 is deposited for 5 years in a savings account at 6% interest compounded semiannually. Which of items (a)-(d) can be used to fill in the blank in the following statement? If the is doubled, then the future value will double. (a) principal (b) interest rate (c) number of interest periods per year (d) number of years Fill in the blank to produce a true statement. If the is doubled, then the future value will double