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D Question 22 Find the Time Between Orders in weeks if they use the present lot size? (one decimal place) An electronics firm has annual demand of 8,000 units The cost to purchase a single unit of inventory: $600 Holding costs are 25% of the cost of the item per unit, per year. The cost to place a single order: $250 Their present lot size is 308 units. 4.8 0.8 2.6 1.6 2.0