BAM Co. is evaluating a project requiring a capital expenditure of $806,250. The project has an estimated life of 4 years and no salvage value. The estimated net income and net cash flow from the project are as follows:

Year	Net Income	Net Cash Flow
1	$75,000	$285,000
2	102,000	290,000
3	109,500	190,000
4	36,000	125,000
	$322,500	$890,000

The company's minimum desired rate of return is 12%. The present value of $1 at compound interest of 12% for 1, 2, 3, and 4 years is 0.893, 0.797, 0.712, and 0.636, respectively.

Determine the following:

a. The average rate of return on investment, including the effect of depreciation on the investment.		%
b. The net present value. Enter negative values as negative numbers.	$