a company provides the following abc costing information: activities total costs activity cost drivers labor 384000 8000 hours gas 36000 6000 gallons invoices 180000 total costs 600000 the above activities used by their three departments are : department 1 department 2 department 3 labor 2500 hours 1400 hours 4100 hours gas 1800 gallons 1000 gallons 3200 gallons invoices 1300 invoices 300 invoices 5900 invoices how much of invoice cost will be assigned to department 2?