11.Find the interest rates or rates of return on each of the following: a. You borrow $200 and promise to pay back $210 at the end of one year. b. You borrow $20,000 and promise to pay back $32,578 at the end of 10 years. c. You borrow $2000 and promise to make payments of $514.18 per year for five years. 12.You borrow $15,000 and agree to repay the balance in five equal annual installments to include principal plus 8% interest, what should the payments be? 13.Your company has a $1,000,000 bond issue that matures in 15 years. The bond indenture requires annual payments into a sinking fund. You figure that you can earn 10% on all deposits. what must the sinking fund payments be, assuming they are equal? 14.You are paying into a sinking fund that earns 6%. If the payments are $15,000 per year, how much will be in the fund in 15 years? 15.Your broker offers to sell you a note for $11,300 that will pay $2000 per year for 10 years. If you buy the note, what rate of interest will you be earning