At the end of the next four years, a new machine is expected to generate net cash flows of $8,000, $12,000, $10,000, and $15,000, respectively. What are the (rounded) cash flows worth today if a 3% interest rate properly reflects the time value of money in this situation?

A. $32,400

B. $41,556

C. $39,982

D. $38,100