An office supply company is attempting to determine the order quantity for laser printer toner cartridges, which are sold to localbusinesses. Annual demand is 20,000 units and each cartridge costs the store $25. It costs $30 to place an order and the inventorycarrying cost rate is 25% of the value of the item. The following spreadsheet has been set up to solve the problem. What cell is thevariable cell in this problem? Annual Demand 20000 Cost per Unit Ordering Cost Carrying Cost $30 25% Order Quantity 483.73 10 Total Cost $502 73861