Month -->	1	2	3	4	5	6	7	8	9	10	11	12
Demand -->	3,456	3,234	4,321	3,332	4,412	4,780	5,121	5,201	4,438	3,980	3,111	3,636
3 week weighted moving
average (60%, 30% 10%)
starting from most recent -->
4 week weighted moving
average (40%, 30% 20%)
starting from most recent -->

Using the above demand data, calculate the 3 & 4 month moving weighted moving averages and populate in the yellow boxes

subject - pricing and demand management