RST Ltd is considering an investment in a new machine that requires an initial outlay of $300,000. The expected cash inflows from the machine are as follows:

Year	Cash Inflows ($)
1	70,000
2	80,000
3	90,000
4	100,000
5	110,000

The company’s cost of capital is 12%.

Required: a. Calculate the Net Present Value (NPV) of the investment. b. Determine the Internal Rate of Return (IRR) of the investment. c. Calculate the payback period for the investment. d. Provide a recommendation on whether the investment should be accepted based on NPV, IRR, and payback period.