All techniques, conflicting rankings Nicholson Roofing Materlak, inc, is convidering two mutuaty exclusive projects, that both cost $150,000. The company's board of directora has set a 4 year paybuck foquremont the cost of captat is 11%. The project cash fows are shown in the following table: a. Calculato the paybock period for each project. Rank the projects by payback period b. Calculate the NPV of each project. Rank the project by NPV. c. Calculate the IRR of each projoct. Rank the projoct by IRR. d. Maie a recommendation. a. The paytack period of project A is years. (Round to two decimal places.) Data table (Click an the icon here or in order to copy the contents of the data tabie below into a spreadsheot)