Company: Beta Manufacturing Co.

Scenario: Beta Manufacturing Co. is considering an investment to purchase new machinery for Rs.120,000. The machinery has a life expectancy of 8 years and no salvage value. The tax rate is 28%. The company uses straight-line depreciation for both accounting and tax purposes. The estimated cash flows before depreciation and tax (CFBT) from the investment are as follows:

Year	CFBT (Rs)
1	25,000
2	27,500
3	30,000
4	32,500
5	35,000
6	37,500
7	40,000
8	42,500

Compute the following:

1. Payback period
2. Internal Rate of Return (IRR)
3. NPV at 10% discount rate
4. Modified Internal Rate of Return (MIRR) at 10% discount rate