Calculate the amount that must be invested at the end of each year at 9.9% compounded annually in order to accumulate $590,000 after: (Do not round intermediate calculations and round your final answers to 2 decimal places.) $ a. 30 years. b. 35 years. In each case, also determine what portion of the $590,000 represents earnings on the annual investments. (Round your intermediate calculations and final answers to 2 decimal places.) $ a. Earnings portion b. Earnings portion $ How much more money is required to fund an ordinary perpetuity than a 30-year ordinary annuity if both pay $5,200 quarterly and money can earn 5.2% compounded quarterly? (Do not round intermediate calculations and round your final answer to 2 decimal places.) $ more money is required