Pleaes provide excel functions to fill missing cells ( ??? ):

Flower Engineering is considering two mutually exclusive investments. The projects' expected net cash flows are as follows:
		Expected Net Cash Flows
	Time	Project A	Project B
	0	($375)	($575)
	1	($300)	$200
	2	($200)	$200
	3	($100)	$200
	4	$600	$200
	5	$600	$200
	6	$975	$200
	7	($200)	$0
Part 1:
A) Net Present Value
	Cost of capital =	12%		Cost of capital =	18%
	NPV A = ???			NPV A =???			(See example 2 at http://office.microsoft.com/en-us/excel-help/npv-HP005209199.aspx)
	NPV B = ???			NPV B =???