Period	Month	Demand	Level	Trend	Forecast	Error	ABS % Error	Sq. Error
1	Jan	86
2	Feb	85
3	Mar	96
4	Apr	112
5	May	148
6	Jun	131
7	Jul	131
8	Aug	138
9	Sep	146
10	Oct	162
11	Nov	144
12	Dec	180
13	Jan	144
14	Feb	190
15	Mar	176
16	Apr	174
17	May	193
18	Jun	201
19	Jul	218
20	Aug	194
21	Sep	221
22	Oct	191
23	Nov	191

ME:
MAPE:
MSE:

For the forecasting part, please use exponential smoothing with the following initalization values: trended=80

alpha value of 0.1