Using the data below, what is the weighted moving average forecast for the 4th week? The weights are .20, 30, .50 (oldest period to most recent period) Week Time Series Value 1 21.00 2 6.00 3 8.00 4 19.00 Submit Answer format: Number: Round to: 1 decimal places. Using the data below, what is the value of MAD? Week Time Series Value Forecast 1 6 7.00 2 5 7.00 3 4 5.00 4 7 4.00 Submit Answer format: Number: Round to: 2 decimal places. Based on the data below for chocolate demand per week and using the naive forecasting method, how much you should order for 5th week? Week Time Series Value 1 24.00 2 10.00 3 24.00 4 5.00 Submit Answer format: Number: Round to: O decimal places