Weekly demand at Hot Pizza are as follows:

Week	Demand
1	108
2	116
3	118
4	124
5	96
6	119
7	96
8	102
9	112
10	102
11	92
12	91

Estimate demand for the next four weeks using a four-week moving average as well as simple exponential smoothing with alpha=0.1. Evaluate the MAD, MAPE, MSE, bias, and TS in each case. Which of the two methods do you prefer? Why?