Mario Brothers, a game manufacturer, has a new idea for an adventure game. It can market the game as a traditional board game or as an interactive CD-ROM, but not both. Consider the following cash flows of the two mutually exclusive projects for Mario Brothers. Assume the discount rate for Mario Brothers is 8 percent. Year Board Game CD-ROM 0 $ 1,750 $ 3,800 1 800 2,300 2 1,500 1,680 3 320 1,350

a. What is the payback period for each project? (Do not round intermediate calculations and round your final answers to 2 decimal places (e.g., 32.16).)

b. What is the NPV for each project?

c. What is the IRR for each project?

d. What is the incremental IRR?