The following is a partially completed lower section of a departmental expense allocation spreadsheet for Bison. 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. Operating costs. No. of purchase orders $ 28,800 Purchasing Maintenance Fabrication Assembly $50,000 $114,000 $80,000 16 4,200 1,800 sq. ft. of space Required: Compute the amount of Purchasing department expense to be allocated to Assembly Multiple Choice O D $8,640 $10,000