6. Discuss the basic differences between the mean absolute deviation and mean absolute percent error, 8.) Causal relationships are potentially useful for which component of a time series? 9.)Let's say you work for a company that makes prepared breakfast cereals like corn flakes. Your company is planning to introduce a new hot breakfast product made from whole grains that would require some minimal preparation by the consumer. This would be a completely new product for the company. How would you propose forecasting initial demand for this product? 12. Assume that your stock of sales merchardise is maintained based on the forecast demand. If the distributor's sales personnel call on the first day of each month, compute your forecast sales by each of the three methods requested here