whats b?

Question 8 (13 points) Saved Omar buys a $20,000.00 G.I.C. bearing interest at 7% c.m., due principal and interest in 10 years. He sold the G.I.C. after 4 years to an investor who wishes to earn 8% c.m. a. How much did the investor pay Omar for the G.I.C.? b. Calculate the rate of return N.R.C.m. that Omar earned on his investment. D OO - Paragraph Blu- 20000"(1+0.07/12)^10-12-40193.23 a.20000" (1+0.07/12)^4*12=2644.08 A/ EQ X h