Fujl Software Inc. has the following mutually exclusive projects. a-1. Calculate the payback perlod for each project. (Do not round Intermedlate calculatlons. Round the answers to 3 decimal places.) a-2. Which, if elther, of these projects should be chosen? Project A Project B Both projects Neither project b1. What is the NPV for each project if the approprlate discount rate is 15 percent? (Do not round Intermedlate calculations. Negatlve amounts should be indlcated by a minus sign. Round the answers to 2 decimal places. Omit $ sign In your response.) b2. Which, If elther, of these projects should be chosen if the appropriate discount rate is 15 percent? Project A Project B Both projects Neither project