Solve for a, b, & c

8. Referring to the TMCC security which is described below: Toyota Moros Credit Corporation(TMCC), a subsidiary of Toyota Motor, offered some securities for sale to the public on March 28,2020. Under the terms of the deal, investors paid TMCC $27,000 for each of these securities on March 28,2020, and would received $100,000 for them on March 28, 2050. a. Based on the $27,000 price what rate was TMCC paying to borrow money? b. Suppose that, on March 28,2032 , this security's price is $40,000. If an investor had purchased it for $27,000 at the offering and sold it on this day, what annual rate of return would she have earned? c. If an investor had purchased the security at market on March 28, 2032, and held it until it matured, what annual rate of return would she have earned