XYZ Ltd invested into a new local network $50,000. Revenues and maintenance costs over a five year service life of the network are presented in the following table:

Year	Revenue	Maintenance cost
1	20,000	5,000
2	22,000	7,000
3	23,000	9,000
4	25,000	11,000
5	26,000	13,000

Assume MARR = 15% and 10% historic depreciation rate for the network to answer the following questions:

Define IRR of this investment in Excel and present a printout. Is it a good investment?

Calculate EAC of the network in year 3

Assume that CCA rate coincides with the historic depreciation rate, corporate tax rate is equal to 18% and calculate the amount of taxes paid in year 3