Please Help me it is multiple choice, I need help you don't need to show work please answer all parts!

Suppose that the last four months of sales were 8, 10, 15, and 9 units, respectively. Suppose further that the last four forecasts were 5, 6, 11, and 12 units, respectively. What is the Mean Absolute Deviation (MAD) of these forecasts? A) 3.5 B) 9 C) 10.5 D) -10 E) 2 Suppose that your company has a production rate of 200,000 units per year, and a demand of 600 per day. You have a setup cost of $75, and a holding cost percentage of 15%. Additionally, you sell the product for $50, and it costs your company $20 to produce it. If you work for 250 days per year, what is the optimal production quantity? A. 2739 B. 3162 C. 3464 D. 4472 E. 4789 F. 5477 Assuming the price is $15, annual demand is 750 units, ordering cost is $60, and the annual inventory holding cost percentage is 20%. What order quantity do you recommend for the quantity-discount situation shown in the following table? Order Quantity Price per Unit EOQ at that Price 1-99 $15 $13.5 183 173 100 or more A. 173 B. 250 c. 183 D. 750 E.43 F. 41 Suppose that the output of a bottle filling process is normally distributed with a natural variability of The process center has been fixed at 10 ounces. The USL = 10.1 ounces and the LSL = 9.8 ounces. The liquid costs $0.35 per ounce and the firm only needs to fix bottles that weigh less than lower spec limit and fixing cost is $1.0 per bottle. What is the average cost (filling and fixing) per bottle of this process? A. $2.99 B. $2.50 C. $2.47 D. $3.52 E. $2.12 F. $3.55 G. $3.12 H. $1.99 1. Nobody really knows