ABC, Inc., has two investment proposals, which have the following characteristics:

	Project A			Project B
Period	Cost	Profit after taxes	Net cash flow	Cost	Profit after taxes	Net cash flow
0	$9,000	-	-	$12,000	-	-
1		1,000	3,000		1,000	5,000
2		1,000	2,000		1,000	5,000
3		1,000	6,000		4,000	8,000
4		2,000	2,000		2,000	2,000

For each project, compute its payback period, net present value, protability index using a discount rate in percentage terms is equal to 4

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