solve using excel

a 5. You have provided your friend with a service worth $8,500. Your friend offers you the following cash flow instead of paying $8,500 today. Should you accept his offer if your opportunity cost is 8 percent? (4 points) Year 1 2 3 4 Cash Flow $4,000 3,000 2,000 1,000 [Notice: After you show your calculation work, you need to clearly write down whether you should accept your friend (his) offer.]