Below is an attachment containing data. These data reflect the number of shipments leaving a distribution center per week. Use these data to answer the following questions. Do not round any values until your final answer.

Period #	Actual Demand
1	635
2	740
3	835
4	926
5	1004
6	1074
7	1125
8	1196
9	1257
10	1338
11	1404
12	1461
13	1531
14	1609
15	1659
16	1741
17	1807
18	1863
19	1925
20	1997
21	2066
22	2127
23	2185
24	2263
25	2330
26	2252
27	2398
28	2533
29	2598
30	2670
31	2727
32	2890
33	2844
34	2925
35	3002
36	3054
37	3134
38	3200
39	3257
40	3335
41	3391
42	3467
43	3533
44	3575
45	3662
46	3734
47	3791
48	3861
49	3877
50	3977
51	3971
52	3824
53

a. What is the 5-period weighted moving average, with weights of 20, 10, 5, 2.5, and 1 (weights listed with most recent period first).

b. What is the exponential smoothing forecast for week 53 with alpha=1?

c. What is the exponential smoothing forecast for week 53 using alpha=0

d. What is the exponential smoothing forecast for week 53 using alpha = 0.8