21-22) Khalid borrowed SR 15,000 at 6% and his payments are scheduled as follows: 1 EOY CF 2 -X 3 - 2x 4 -3X 5 -4X 0 21) Calculate the value of X that the loan is fully repaid. a. SR 3,483.79 b. SR 2,034.6 c. SR 1,890.4 d. SR 1,821.07 22) Assume the payments will be a uniform series from (2,5). a. SR 4,588.60 b. SR 4,441.69 c. SR 5,540,07 d. SR 4,891.1 23) How long does it take approximately for money to triple in value if you earn 5%? 8 Years and 7 months a. b. 9 years. c. 14 years and 3 months d. 22 years and 6 months 24) For the below cash flow, the correct notation to find the present worth at 10% interest rate is: 3 5 6 year CF (SR) 1 5000 2 4000 4 2000 3000 1000 2000 b. 5000 (P/A 10%, 6) - 1000 (P/G 10%, 6) b. 5000 (P/A 10%, 5)- 1000 (P/G 10%, 5) + 2000 (P/F 10%, 6) c. 5000 (P/A 10%, 5) + 2000 (P/A 10%, 5) - 1000 (P/G 10%, 5) d. 5000 (P/A 10%, 6)- 1000 (P/A 10%, 6) +2000 (P/F 10%, 6)