Demand data over 5 months is given below:

Month	Demand
1	45
2	50
3	48
4	52
5	50

Give your answers to three decimal places.

1. Find the forecast for month 6 using 3-month weighted moving average. Use weights of 3, 4 and 7 (highest weight for the most recent value).

2. Use trend adjusted exponential smoothing with alpha = 0.15, and beta = 0.2. Assume for month 4, forecast for stationary component is 49 and trend is 1.2.

   1. Find the forecast for month 6
   2. Find the forecast for month 7