Jave 5 extra credit Part 1 of 4 O Points: 0 of 2 Develop a two-period weighted moving average forecast for periods 12 through 15. Use weights of 0.7 and 0.3, with the most recent observation weighted higher. Period 10 11 12 13 14 Demand 241 395 460 287 482 Calculate the forecasts for periods 12 - 15 by using a two-period weighted moving average model (enter your responses rounded to the nearest whole number). Forecast Period 10 11 Demand 241 395 12 460