How would I go about finding the fixed costs from this sheet? So far I have:

however, it seems like I should add in power, operations, sales promotions, and corporate services. Im just not sure how to do that because they seem to be under period costs. Any help would be greatly appreciated!

March Revenues Intercompany sales 110,400 8 $212,285 Custodial services 2 1 2 2 2 5 5 Computer equipment Office equipment and fixtures 2 Wages and salaries 2 Systems development and maintenance Administration 8 8 3 Classification of Costs Fixed Costs Janua Febura March Space Costs Rent Custodial Services $8,0008,000 8,000 1,2401,2401,240 Equipment Costs: Computer Leases Maintenance $ 95,000 95,000$ 95,000 $5,400$5,4005,400 Depreciation: $ 25,500 25,500$ 25,500 Office equipment and fixures 680680$680 Computer Equipment Wages/Salaries System development/maintenance 12,000 $ 12,000$ 12,000 $9,000$ 9,000 9,000 11,20011,200$ 11,200 Administration Sales