Add five columns with single smoothing forecasts for different values of (0.15, 0.30, 0.45, 0.60, and 0.75). Please show the calculations you used to create the forecasts.

Month	Diaper Consumption (48-unit bags)
1	163
2	258
3	356
4	262
5	300
6	339
7	299
8	293
9	360
10	237
11	262
12	340
13	411
14	296
15	486
16	317
17	443
18	449
19	414
20	424
21	561
22	576
23	622
24	547