Activities Labor Gas Invoices Total costs Total Costs $410,000 Activity-cost drivers 10,000 hours $40,000 4,000 gallons $56,000 $506,000 3,500 invoices The above activities used by their three departments are: Labor Gas Invoices Lawn Department 2,600 hours Bush Department 1,900 gallons 1,500 hours 1,000 gallons 1,100 invoices 100 invoices Plowing Department 5,900 hours 1,100 gallons 2,300 invoices How much of the invoice costs will be assigned to the Bush Department? O $1,600 O $56,000 O $36,800 O $17,600