Presentation graphics prepare slides and other aids for individuals making presentations. it estimates it can save $42,000 a year in cash operating costs for the next 5 years if it buys a special machine at a cost of $90,000. the workstation qualifies for a capital cost allowance of 25% and will have a zero terminal disposal price at the end of year 5. Presentation and graphics has a 12% after-tax required rate of return. its income tax rate is 40% each year for the next 5 years.

Compute NPV, Payback period, IRR (BA II plus Financial Calculator can be used, if you could just show what numbers were keyed) thank you