10. (6 points) University of Rochester Medical Center is considering purchasing an ultrasound machine for $1,135, 000. The machine has a 10-year life and an estimated salvage value of $40,000 (assume straight-line depreciation) Installation costs and freight charges will be $24,200 and $800, respectively. The medical center estimates that the machine will be used five times a week with the average charge to the patient for ultrasound of $850 There are $10 in medical supplies and $40 of technician costs for each procedure performed using the machine Instructions (a) Compute the payback period for the new ultrasound machine. (b) Compute the annual rate of return for the new machine