The following is a partially completed lower section of a departmental expense allocation spreadsheet for Brickland. It reports the total amounts of direct and indirect expenses for the four departments. Purchasing department expenses are allocated to the operating departments on the basis of purchase orders. Maintenance department expenses are allocated based on square footage. Compute the amount of Maintenance department expense to be allocated to Assembly. Department Purchasing Maintenance Fabrication Assembly Direct Expenses $ 50,000 28,800 114,000 80,000 Number Purchase Orders Square Feet 16 4,200 1,800 Multiple Choice $10,000. $20,160. $8,640. $14,400. $40,000