Assume Canadian taxation rules for all questions

Auburn Crane, Inc., a hydraulic crane service company, had sales revenues of $4,250,000 during tax year 2018. The following table provides other financial information relating to the tax year:

Labor expenses $1,550,000 Material costs $785,000 Depreciation $332.500 Office supplies $15,000 Debt interest expenses $42.200 Rental expenses $45,000 Proceeds from the sale of old cranes $43,000