Pro - Am Audio is a company that is contracted to DJ private events. Due to a recent increase in bookings, Pro - Am is considering the purchase mobile DJ unit. Pro - Am uses the payback method to evaluate its investments. The mobile DJ unit will cost $25,000, has a useful life of 10 years, and will generate $5,000 in net cash inflows per year. The residual value of the unit is $1,300. What is the payback period for the mobile DJ unit? another A. 4.74 years B. 3.97 years OC. 5 years D. 5.26 years