I.: $200, salvage value: $0 Income: $100 today (growing at: 3% per year above inflation). Costs:- M.O. $15 today (growing at: 5% per year) - Materials: $20 today (growing at: 7.5% per year)

- energy: $5 today (growing at: 10% per year)

Depreciation: straight line Shelf life: 4 years General price index inflation: 5% Taxes: 25% Nominal MARR after taxes: 12% Calculate IRR

The project must be accepted?