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37. Calculate the present value of an ordinary annuity of 53,750 to bo roceived ench year for cight years, assuming an opportunity cost of 3 percent per year. 38. A generous philianthropist plans to make a one-ime endowment to a renownod beart resereh center which would provido the fecility with 585,000 per year into perpetily. The nte of interest is expected to be 45 pervent annually. How lage mast the endowment be? 39. James plans to fund his individual retirement account, beginning today, with an annual 19. Jamesit of 52000 , which he will continue for the next 20 years. If he can cearn an anmal compound nute of 3 percent on his deposits, calculate the emount in the scocuant upon lis retirement. 40.-41. A fim has an issue of 51,000 par value bonds with a 7 percent annual coupon interest nte outstanding. The issue peys interest annually and has 5 years remaining to its maturity ditte. If bonds of similar rikk are C, rently earning 6 percent annually, calculate the matket value that the firmis bond will sell for tolty. 42-43. Then Yi Computens has en outunding lasue of bonds with a pur value of 51,000 , 6 years to maturity. What is the velue of the bond essuming a 4 percent ennual midket nte of interest