What is Project A's payback? Do not round intermedlate calculations. Round your answer to four decimal places. years What is Project A's discounted payback? Do not round intermediate calculations. Round your answer to four decimal places. years What is Project B's payback? Do not round intermediate calculations. Round your answer to four decimal places. years What is Project B's discounted payback? Do not round intermediate calculations, Round your answer to four decimal places. years What is Project A's payback? Do not round intermedlate calculations. Round your answer to four decimal places. years What is Project A's discounted payback? Do not round intermediate calculations. Round your answer to four decimal places. years What is Project B's payback? Do not round intermediate calculations. Round your answer to four decimal places. years What is Project B's discounted payback? Do not round intermediate calculations, Round your answer to four decimal places. years