7. 6.7 A powerful set of “glasses,” called eSight, can give sight to the legally blind by using high-definition video, magnification, contrast, and propriety algorithms to enhance imagery into something they can see.

The cost of the device is $9995. If the company that makes the device spent $1.9 million to develop it, what rate of return will the company make over a 5-year planning period if it sells 200 devices each year at a profit of $2500 per device?