Micro Tek Inc. is considering an investment in new equipment that will be used to manufacture a smartphone. The phone is expected to generate additional annual sales of 5,800 units at $282 per unit. The equipment has a cost of $647,300, residual value of $48,700, and an eight-year life. The equipment can only be used to manufacture the phone. The cost to manufacture the phone follows: Cost per unit: Direct labor $48.00 Direct materials 187.00 Factory overhead (including depreciation) 32.60 Total cost per unit $267.60 Determine the average rate of return on the equipment. If required, round to the nearest whole percent. fill in the blank 1 %