Develop a two-period weighted moving average forecast for periods 12 through 15. Use weights of 0.8 and 0.2, with the most recent observation weighted higher.

Period	Demand
10	247
11	367
12	386
13	313
14	466

Calculate the forecasts for periods 1215 by using a two-period weighted moving average model (enter your responses rounded to the nearest whole number).

Period	Demand	Forecast
10	247
11	367
12	386	(enter your response here)

13

313

(enter your response here)

14

466.

(enter your response here)

15.

(enter your response here)

PLEASE ANSWER ALL:)