20 years ago, your mother invested $4,000. Today, that investment is worth $200.000. What is the loweshe marned on this investment? 6.67 percent 1171 percent 21.60 percent 3.90 percent 3 percent Question 16 6 pts Suppose you buy a 7 coupon bond with the time to maturity of 10 years from now. The coupons are paid semi-annually o a. (3 points) What is the amount (5) of each coupon payment? o b. (3 points) How many coupons do you expect to receive until maturity? les 4 coupons til maturity