Which security offers a higher effective annual yield?/. A three-month bill selling at $9, 764//. A six-month bill selling at $9, 539 The three-month T bill offers a higher effective annual yield. b. Calculate the bank discount yield on each bill. (Round your final answers to 2 decimal places. Omit the "%" sign from your response.) Bank discount yield on the three-month bill % Bank discount yield on the six-month bill %