46. Find the future worth factor of a single payment for 18 years at 6% compounded annually. 47. Find the present worth factor of a single payment for 18 years at 6% compounded annually. 48. Find the future worth factor of an annual payment for 18 years at 6% compounded annually. 49. Find the sinking fund factor of an annual payment for 18 years at 6% compounded annually. 50. Find the present worth factor of an annual payment for 18 years at 6% compounded annually. 51. Find the capital recovery factor of an annual payment for 18 years at 6% compounded annually. 52. Find the present worth factor of a uniform arithmetic gradient for 18 years at 6% compounded annually. 53. Find the future worth factor of a uniform arithmetic gradient for 18 years at 6% compounded annually. 54. Find the uniform gradient series factor of a uniform arithmetic gradient for 18 years at 6% compounded annually. Situation 5: A man plans to retire at the end of 25 years by depositing an amount of P5,000 at the end of each year for certain interest in a bank. 55. Compute the nominal interest of his transaction if the compound amount factor for a period of 25 years is 54.8645. 56. How much will he receive by the time he retires? 57 the value of the sinking fund fac for this der