Hey I need help with this question, can anyone please help me thanks in advance

A new machine can be purchased today for $450,000. The annual revenue from the machine is calculated to be $72,000, and the equipment will last 10 years. Expect the maintenance and operat- ing costs to be $4500 a year and to increase $750 per year. The salvage value of the machine will be $35,000. What is the rate of return for this machine