Your firm invested $2,504,600 in 350-day commercial paper today. At the end of the investment period (in 350 days) the firm will receive $2,592,400. a. What is the 350-day holding period rate of return on the investment? (Round your answer to 2 decimal places.) HPR 3.51 % b. How many 350-day periods are there in one year? (Use 365 days in a year. Round your answer to 4 decimal places.) Number of periods c. What is the annual percentage rate APR earned on the investment? (Round your answer to 2 decimal places.) APR 3.66% d. What is the effective annual rate (EAR)? (Round your answer to 2 decimal places.) EAR %