Average Rate of Return-New Product Hana 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 4,500 units at $243 per unit. The equipment has a cost of $416,500, residual value of $31,500, and an 8-year life. The equipment can only be used to manufacture the phone. The cost to manufacture the phone follows: Determine the average rate of return on the equipment. If required, round to the nearest whole percent