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 $99.065. The maturity date of this bond is 15 May 2022. a) Use the approximate bond yield formula to estimate the yield rate. Give your answer in j2 form, rounded to 3 decimal places. Select one:

a. 1.842% b. 3.318% c. 3.685% d. 1.968%