answer part b please

Question 6 (8 points) Laval Appeal is considering an investment costing $24,000. The investment would return $10,000 per year in each of three years. The company requires a minimum rate of return of 6%. The present values of $1.discounted at 6% received at the end of 1, 2 and 3 periods are 0.943, 0.890, and 0.840 Required: A. Calculate the payback period for the investment. B. Calculate the net present value of the investment