Need help woth this problem

7) (16 points) Consider the cash flow series given below. EOY 0 1 2 4 7 3 4,840 5,324 6 5 5,750 6,000 5,000 9 8 6,500 7,250 10 8,000 Cash -50,000 4,000 4,400 Flow a) (4 points) Draw the cash flow diagram for the above cash flow series. b) (12 points) Write an expression for the present worth of the above cash flow series for an annual interest rate of 5%. An example is P = 500(P/A 5%, 3) + 100(P/G 5%, 3)+... You must use at least one uniform series factor, one gradient series factor, and one geometric series factor. No calculations are needed