1. In Chapter 7. Exercise 2, your textbook includes the following demand for Hot Pizza: Week 1 2 3 4 5 Demand 108 116 118 124 96 6 7 8 9 10 11 12 119 96 1021121029291 a) Forecast demand for the next four weeks using a 4-week moving average and simple exponential smoothing with a = 0.1 b) Create a graph by week of actual demand, 4-week moving average and simple exponential smoothing forecasts. c) Calculate the MAD and MSE to evaluate the forecasting methods used with this data. d) Which of the two methods do you recommend