Ergonomics Inc. sells ergonomically designed office chairs. The company has the following information:
Average demand = 20 units per day
Average lead time = 30 days
Item unit cost = $50 for orders of less than 200 units
Item unit cost = $48 for orders of 200 units or more
Ordering cost = $25
Inventory carrying cost = 25%
The business year is 250days
Required :
How many chairs should the firm order each time?