0.38 As long as the interest rate is greater than zero, the future value of a single sum will alwa Select one: O a. Decrease as the interest rate increases. ys: out of b. Equal the future value if the time period is one year. O c. Be less than the present value. O d. Increase as the period of time decreases. O e. Increase as the number of periods increases. on 39 answered dout of The difference between the expected return on a security and the risk free rate is the: Select one: a.Probability range. O b. Risk premium. O c. Standard deviation. O d.Average rate of return. question e. Excess return on 40 A project which has a payback period equal to its life also has a positive NPV answered dout of Select one: o True gquestion False