3. What is the inventory position if the on-hand quantity is 4,620 units, scheduled receipts are 2,000 units, and 1,300 units are on backorder? 4. Severance Fashion sells a pair of crossfit shoes for $80. Due to the recent fitness craze following the COVID-19 lockdown, these sport shoes are in high demand: 4500 pairs of shoes are sold per week. The ordering cost is $400 per order, and the annual holding cost is 20 percent of the selling price. If the store operates 50 weeks a year, what can you say about the size of the current order quantity of 2,500 pairs? 5. Describe the three different types of problems happening to stockouts that firms often face. What must be done to prevent them? 6. How does the definition of quality differ from customer perspective from that of operations perspective