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The following tasks, predecessors, and task times are provided for making packaged ice cream in a factory. Based on the information provided, balance the line using the ongoi! assignment rule and calculate the overall Efficiency. (Record the answer rounded to 2 decimal points, so xxx%) The desired output risteis 50 packaged ice cream units per hour Task information: Tasks Predecessor Tak Task Time (seconds) 45 A none B none 20 G AB 30 80 D 40 E CD E F 19 Supporting work should clearly show all the intermediate steps for arriving at the answer and 5 The following table of actual demand of umbrella at the local departmentas store is provided by week Creato a 2 period moving average forecast, and a simple mean forecast for 24 Assess the forecast accuracy of the two forecasting methods by calculating MAD using periods 3, 4 and 5 Report the diftarence in MAD values by subtracting the MAD for simple mean from the MAD for 2-period moving werage method of forecasting and record your answer. Pound to two decimal points Actual Weekly Demand Data Wook Actual 1 2 3 4 02 5 36