D. 26.75

E. 22.33

Question 12 (2 points) Weekly sales of copy paper at Dunder Mifflin Paper Company are provided in the table below. Compute a three-period moving average and a four-period moving average for weeks 5, 6, and 7. Compute the MAD for both forecasting methods. What is the forecast for week 8? (Hint: Calculate forecast using more accurate method) Week Sales (cases) 1 2 3 4 5 6 7 22 25 17 21 31 32 23 8 28.67 6.83