Happy Valley Land and Snow Company provides the following ABC costing information Activities Labor hours Gas Invoices Total Costs Activity-cost drivers $420,000 $136,000 $140.000 $696.000 8,000 hours 6.000 gallons 2,500 invoices Total costs The above activities used by their three departments are: Lawn Department Bush Department. Plowing Department Labor hours 2,500 hours1.200 hours Gas Invoices1,600 invoices 400 invoices 4.300 hours 3.700 gallons 500 invoices 1,500 gallons 800 gallons a) How much of the total costs will be assigned to the Lawn Department? b) How much of the total costs will be assigned to the Bush Department? d) How much of the total cost will be assigned to the Plowing Department? d) What would have been the costs for each department if these total costs had been allocated equally?$