As a fringe benefit for the past 10 years, Marthas employer has contributed Sh.120 at the end of each month into an employee retirement account for Martha, that pays interest at the rate of 7% per annum compounded monthly. Sam has also contributed Sh.3,500 at the end of each of the last 5 years into the Retirement Benefit Authority (RBA) that pays interest at the rate of 5% per annum compounded yearly. How much does Sam have in his retirement fund at that time? [4 marks]

Let U = {all people}, S = {people who like strawberry ice cream}, and V = {people who like vanilla ice cream}, and C = {people who like chocolate ice cream}. Describe the sets below using set-theoretic notation.

{people who dont like strawberry ice cream} [1 mark]

{people who like vanilla but not chocolate ice cream} [1 mark]

{people who like vanilla or chocolate but not strawberry ice cream [1 mark]

{people who dont like any of the three flavors of ice cream} [1 mark]

{people who like neither chocolate nor vanilla ice cream} [1 mark]