Problem #4 - Accounting ( Simple Rate of Retum) Sunset Inc. is considering the purchase of a new machine for $47,000. The machine would replace equipment that costs $13,000 per year to operate. The new machine is more efficient and would cost $8,000 per year to operate. The old machine currently in use could be sold now for $22,000. The new machine would have a useful life of 10 years with no salvage value. Required: Calculate the Accounting Rate of Retum (Simple Rate of Retum)