Question 4 Your older brother turned 35 today, & he is planning to save GH7,000/year for retirement, with the first deposit to be made one year from today. He wil I invest in a mutual fund that's expected to provide a return of 7.5%/year. H e plans to retire 30 years from today, when he turns 65, & he expects to live for 25 years after retirement, to age 90. Under these assumptions, how mu ch can he spend each year after he retires? His first withdrawal will be mad e at the end of his first retirement year (10 marks) Question 5 If current interest rate is 28%, a Treasury Bill with 91 days to maturity, and a face value of GH 50,000 should have a market value of? (5 marks) Question 6 FINC 301's optimal cash transfer amount, using the Baumol model, is GHS 60,000. The firm's fixed cost per cash transfer of marketable securities to c ash is GHS 180, and the total cash needed for transactions annually is GHS 960,000. On what opportunity cost of holding cash was this analysis base d? (10 marks) Question 7 FINC 2022 expects to order 126,000 memory chips for inventory during the coming year, and it will use this inventory at a constant rate. Fixed ordering costs are $200 per order; the purchase price per chip is $25; and the firm's i nventory carrying costs is equal to 20 percent of the purchase price. (Assu me a 360-day year.) (10 marks)