Averege Pate of Return-New Product Galactic inc. is considering an investinent in new equipment that will be used to manufocture a smartphone. The phone is expected to generate addicional annual sales of 4,100 units at \\( \\$ 311 \\) per unit. The equipment has a cost of \\( \\$ 381,300 \\), residual value of \\( \\$ 28,790 \\), and an eight-year life. The equipment can only be used to manufacture the phone. The cost to manufacture the phone follows: Determine the average rote of return on the equipment. If required, round to the nearest whole percent