I am needing help with the excel formulas for the following question (the cells highlighted in green.)

Problem 1.	West Coast Company is considering two mutually exclusive projects, the project's expected net cash flows are as follows:
	Expected Cash Flows
Year	Proj. A	Proj. B
0	($40,000)	($30,000)
1	($12,000)	$8,500
2	$10,000	$8,500
3	$35,000	$8,500
4	$14,000	$8,500
5	$25,000	$8,500
Required Rate of Return	14.00%	14.00%
1.c. (8 points)	Calculate the crossover rate of these two projects.
Year	Proj. A	Proj. B	Cash Flow Difference between Proj. A & Proj. B
0
1
2
3
4
5
Crossover rate