Please help show how to use Excel formulas for these:

	a.	What is the present value of your windfall?
	b.	What is the future value of your windfall in three years (on the date of the last payment)?
			D	E	F
		Interest rate	3.50%
		Year	1	2	3
11		Cash flow	$10,000	$20,000	$30,000
	a.	What is the present value of your windfall?
		Present value
	b.	What is the future value of your windfall in three years (on the date of the last payment)?
		Future value
Requirements
	1.	Start Excel completed.
	2.	In cell D15, by using cell references and the function NPV, calculate the present value of the stream of cash flows (1 pt.).
	3.	In cell D19, by using cell reference and the function FV, calculate the future value of the present value (1 pt.).
		Note: The future value should be entered as a positive value. Use cell reference to the present value of withdrawal from Step 2 in your calculations.