18. 6.18 EV Box is a manufacturer of electric vehicle charging stations and charging software. The initial cost of one part of their manufacturing process was $130,000 with annual costs of $49,000. Revenues were

$78,000 in year 1, increasing by $1000 per year. A salvage value of

$23,000 was realized when the process was discontinued after 8 years.

Using a spreadsheet (or factors, as instructed) determine the rate of return the company made on the process.