PLEASE SOLVE THIS WITHOUT USING EXCEL! THANK YOU!

PLEASE SOLVE THIS WITHOUT USING EXCEL! THANK YOU!

03.04-PR012 WP Consider the following cash flows and interest rates: End of Year Interest Rate During Period Cash Flow at End of Period 0 $0 1 10% $2,000 2 8% -$3,000 3 12% $4,000 a. Determine the future worth of this series of cash flows. b. Determine the present worth of this series of cash flows. c. Determine a 3-year uniform annual series that is equivalent to the original series