question 13 6.5 pts What would be the return on your investment as a percentage to 6 decimal places if you buy a $10,000 T-bill that matures in 91 days for $9.999.212 What would be the estimation of your earnings as an investor as a percentage to 6 decimal places if you use the discount rate instead of the investment rate to measure the return on your investment, % What would be the underestimation of your earnings as an investor as a percentage to 6 decimal places if you use the discount rate instead of the investment rate to measure the return on your investment