Last year, The ABC Corporation had issued 8\% coupon (semi-annual), 20-year, AA-rated bonds (Par value =$1000 ) to finance its business growth. a. If investors are currently offering $1200 on each of these bonds, what is their expected yield to maturity on the investment? i. Solve by using the BA-II Financial Calculator. Write the keys you enter to get the solution. ii. Write the Excel formula and arguments needed to get the solution in Excel. b. If investors are offering $980 for this bond, what is your expected YTM? i. Solve by using the BA-II Financial Calculator. Write the keys you enter to get the solution. ii. Write the Excel formula and arguments needed to get the solution in Excel