A replacement computer will cost you $3,500.00. but save you $750.00 each year because of the faster processor. What is the payback period of the computer? 4.57 4.38 4.80 4.91 4.67 By purchasing training software for $5,500.00. you can eliminate other training costs of $3,425.00 each year for the next 10 years. What is the profitability index of the software? Use a discount rate of 10.60%. 3.63 4.05 3.73 3.96 3.85