13. extreme manufacturing company provides the following abc costing information: activities total costs activity-cost drivers account inquiry $280,000 14,000 hours account billing $350,000 7,000,000 lines account verification accounts $93,750 50,000 accounts correspondence letters $29,000 4,000 letters total costs $752,750 the above activities are used by departments a and b as follows: department a department b account inquiry hours 2,100 hours 3,600 hours account billing lines 500,000 lines 350,000 lines account verification accounts 7,000 accounts 5,000 accounts correspondence letters 1,200 letters 1,600 letters how much of the total costs will be assigned to department a? a) $88,825 b) $118,825 c) $120,000 d) $85,075