Question 3.15 At an annual effective discount rate of d,d>0, each of the following two sets of payments has a present value that is equal to K : (i) A payment of 169 immediately and another payment of 169 at the end of 1 year. (ii) A payment of 196 at the end of 2 years and another payment of 196 at the end of 3 years. Calculate K. A 315 B 326 C 351 D 378 E 472 Question 4.01 The annual effective rate of interest is 8%. Calculate the force of interest. A 7.41% B 7.70% C 8.00% D 8.33% E 8.70%