Speedy Print Shop bought a new photocopier to offer customers the opportunity to make high-quality copies out of their digital pictures. Its useful life is 6 years. The copier cost $7,740 and will generate annual cash inflows of $2,150.
The residual value of the copier is $1,320. The payback period in years is closest to:

A) 2.99. B) 4.21. C) 2.23. D) 3.60.