NOTE: I NEED A SOLUTION FOR ALL THE PARTS. PLUS I NEED A ONE-LINE EXPLANATION OF ALL THESE ANSWERS.

17 Medro & Mariana were going over their operations management course notes from GUST that were not written very well. They were looking at inventory management. Mariana told Medro: you know Medro, at the economic order quantity, the annual ordering cost is 50% of the annual holding cost." (4 Points) O a. what Mariana said is correct b. what Mariana said is not correct 18 Medro told Mariana: "you know Mariana, in an ABC inventory system, C-items typically represent a small percentage of the total KD-value of all items in inventory." (4 Points) a. what Medro said is correct b. what Medro said is not correct 19 The figure represents the EOQ inventory system for M&M's mugs that are sold. Based on the diagram, what is the number of working days per year if annual demand is 600 mugs/yr? (4 Points) Inv. Level 40 10 15 20 days O a. 60 days b. 260 days c. 365 days d. 300 days e. cannot be determined