Hi, guys, I need help on this problem quick, please please be right this problem is stumping me and I CANT AFFORD to get anything wrong this is a big part of my grade! I promise to like!

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 6,700 units at $284 per unit. The equipment has a cost of $747,700, residual value of $56,300, 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 ratd of return on the equipment. If required, round to the nearest whole percent. %