Amalgamated products which produces chemical materials has the following demand pattern for one of its key products. Weekly demand data is show below:

Week	Demand
1	1000
2	1050
3	1100
4	1300
5	1420
6	1350
7	1500
8	1430
9	1600
10	1540
11	1700
12	1620
13	1900
14	1810
15	2100

1. Apply the Holt's Model in forecasting the demand for period 16
2. What are the optimal values for alpha and beta?
   1. Level (alpha) -t=yt+(1)(t1+bt1)
   2. Trend (beta) - bt=(tt1)+(1)bt1