Given the attached data. Answer the following questions using an initial alpha value of 0.2.

t	At
1	7813
2	12005
3	8217
4	7770
5	11093
6	8803
7	13032
8	5698
9	6184
10	12736
11	3642
12	7118
13	3192
14	4039
15	9537
16	9625
17	8381
18	3723
19	2306
20	4177
21	5867
22	9968
23	3046
24	5477
25	9814
26	6671
27	11788
28	9134
29	6455
30	5173
31	8810
32	5800
33	4868
34	9972
35	7315
36	7029
37	2417
38	7417
39	7775
40	10249
41	3875
42	11276
43	5393
44	8704
45	6944
46	6919
47	2990
48	2872
49	2573
50	6716

1. Compute your forecast for period 51.

The potential answers are:

A: 5417.68 units.

B: 8672.65 units.

C: 5901.35 units.

D: 5617.06 units.

E: 5663.93 units.

2. Compute the MAD value for period 50.

The potential answers are:

A: 3339.95 units.

B: 2469.15 units.

C: 2127.42 units.

D: 3523.23 units.

E: 2723.72 units.

3. Compute standard deviation of forecast for period 51.

The potential answers are:

A: 3086.43 units.

B: 4823.98 units.

C: 2659.28 units.

D: 4404.04 units.

E: 3404.66 units.

4. Compute the best alpha value to three decimal points.

The potential answers are:

A: 0.101.

B: 0.046.

C: 0.185.

D: 0.001.

E: 0.217.