Your firm invested $2,506,900 in 150-day commercial paper today. At the end of the investment period (in 150 days) the firm will receive $2,581,300. a. What is the 150-day holding period rate of return on the investment? (Round your answer to 2 decimal places.) HPR b. How many 150-day periods are there in one year? (Use a 365-day year. Round your answer to 4 decimal places.) Number of periods 0 % c. What is the annual percentage rate APR earned on the investment? (Round your answer to 2 decimal places.) APR APR 0 % d. What is the effective annual rate (EAR)? (Round your answer to 2 decimal places.) EAR EAR 0 %