Wizard Company has an old machine that is fully depreciated but has a current salvage value of $10,000. The company wan to purchase a new machine that would cost $60,000 and have a five-year useful life and zero salvage value. Expected chang in annual revenues and expenses if the new machine is purchased are: (Ignore income taxes in this problem.) Required: 1. What is the payback period on the new equipment? 2. What is the simple rate of return on the new equipment