5. Al-Bishi Corp. is preparing its year-end reporting and wants to allocate the operating cost of its service departments to its processing departments. The following information relates to its three service departments and its two processing departments Machining department Painting department Direct labour hours 25,100 8,500 Power department Maintenance department Human resources Allocation base Kilowatt hour Square metre Employees Machine hours Direct labour Kilowatt hour Square metre Employees Machine hours 500 1,200 10 1,500 1,000 18 650 800 12 35,200 30,000 95 500,000 20 10,000 hours 250,000 $850,000 60,000 Operating costs $700,000 $450,000 $369,000 $370,000 Using the step method of allocating service department operating costs, starting from left to right, what is the total operating cost for the machining department? a) $819,403 b) $1,069,597 c) $1,877,186 d) $1,919,597