Assume that each equipment's annual cash Hlow will occur for the period equal to its useful life. DQ not enter dollar sians or commas in the inaut boxps. Use the oresent values tables in the textbook apeendix Use the oegative sign for negative yalues. Besind your answers to the nearest whole numbec c) Determine the payback period for each piece of equipment. Round your answers to 1 decimal place. Laser Hair Removal Machine: Years Microdermabrasion Machine: Years Facial Oxygen Unit: Years