DEF Corporation is considering a project with an initial investment of $1,000,000. The expected net inflows are:

Year	Net Inflow
1	$180,000
2	$190,000
3	$200,000
4	$210,000
5	$220,000

Requirements:

1. Calculate the Accounting Rate of Return (ARR).
2. Determine the Payback Period.
3. Compute the Net Present Value (NPV) at a discount rate of 8%.
4. Calculate the Internal Rate of Return (IRR).

Evaluate the project's potential for profitability.