The annual effective interest rate is 6%. You will deposit 400 dollars at the end of each year for10 years. Starting a year later than the last deposit, you will withdraw X dollars each year for 15years to make the balance be zero.

(a)Make a time diagram. Namely, show all cash inflow on one side of the time scale, and all cash outflow on the other side.

(b)Evaluate the accumulated value of all the deposits immediate after the last deposit.

(c)Determine X.