Today is 15 May 2020, Sue just purchased a Treasury bond with a coupon rate of j2 = 3.2% p.a. and a face value of $100 that matures at par. The purchase price was $98.634. The maturity date of this bond is 15 May 2022. b) Use linear interpolation to calculate the yield rate. Give your answer in j2 form, rounded to 3 decimal places. Hint: 1.65% per half year and 1.9% per half year are the lower bound and the upper bound for the linear interpolation