Today is 15 May 2021. Stphanie has just purchased a Treasury bond with a face value of $100, maturing at par and paying coupon at j2 = 3.4% p.a. The purchase price was $100.023. The maturity date of this bond is 15 May 2023. a) Use the bond salesperson's formula to estimate Stphanie's purchase yield. Give your answer in j2 form, rounded to 3 decimal places.

a. 1.694% b. 1.820% c. 3.021% d. 3.388%