David purchased a new printer for his book publishing company. The printer was purchased for $10,000 and it expected to generate the following cash flows for the next four years at the end of each year:

Year 1: $3000

Year 2: $4000

Year 3: $2,500

Year 4: $1,000

assume the printer can be sold for $2,000 at the end of year 4 and David's required rate of return is 8%. What is the net present value and should be purchase the printer? How do you calculate this on a BA II plus calculator?