an engeineer deicides to put a ump sum amount of 6000 into a term deposit account whihc has variable rate. if the interest rate for the first four years are 10%, 11, 7% AND 4%respectively, how much would be the account balance after four years?

A. 8457.13

B. 8152.37

C. 8387.54

D. 8784.6

2. how much must an electrical contractor deposit every year in her savings account starting one year from now at 8% per year in order to stimulate 5000 in 7 years from now?

a.5569.12

B. 4819.12

C. 560.36

D. 6069.12