Please explain hot you got to answers, THE ANSWERS WRITTEN IN ARE INCORRECT.

LISTING OF TREASURY ISSUES MATURITY COUPON BID ASKED 15-Feb-2019 2.750 100.0391 100.0547 30-Apr-2021 2.250 99.7500 99.7656 15-May-2023 1.750 97.4531 97.4688 15-Aug-2029 6.125 132.7266 132.7891 15-Feb-2036 4.500 125.4688 125.5313 15-Aug-2048 3.000 101.8984 101.9297 ASKED YIELD TO CHANGE MATURITY 0.0078 2.256 0.2344 2.354 0.4766 2.364 1.1406 2.575 1.5391 2.637 1.5391 2.902 Figure 2.3 Listing of Treasury bonds and notes Source: The Wall Street Journal Online, January 3, 2019. a. How much would you have to pay to purchase one of these bonds? (Do not round intermediate calculations. Round your answer to 3 decimal places.) Price paid $ 1,000.391 b. What is its coupon rate? (Round your answer to 3 decimal places.) Coupon rate 13.750 % c. What is the yield to maturity of the bond? (Do not round intermediate calculations. Round your answer to 3 decimal places.) Yield to maturity 2.748%