22-Metallic Co. is studying an investment in a special equipment that would have an ten-year life and would require a $120,000 investment which has no salvage value. Metallic Co uses the straight-line method for depreciation. The payback period of the project will be 4 years. Required: compute the simple rate of return (SRR) on the equipment (Ignore income taxes in this problem)? O %18 O ) ) Nothing mentioned O%20 O %12.5 O %17.5 %10 0 %15