Weekly sales of Heartland multi-grain bread at the local Organnons Natural Market are provided in the table below. Based on these data, calculate the following. a. Forecast for the 10 th week using a 4 -week weighted moving average. with the weights of .8,7,4, and 3 (.8 applied to the most recent period): What is the MAD? a. Forecast for the 10 th week using a 4 -week weighted moving average, with the weights of .8, 7,4 , and 3 ( 8 applied to the most recent period): What is the MAD? b. Forecast for the 12 th week using Trend analysis: What is the MAD? c. Using exponential smoothing with an alpha of .67, and a first period forecast of 413 . What is the forecast for week 10 ? What is the MAD? d. Based on the MAD analysis, which forecasting approach should Organnons utilize