QuickMake, Inc. has two operating departments and two service departments. Each operating department conducts operations relatively independently. The company uses number of employees to allocate HR costs and the number of transactions processed (given in 1,000s) to allocate IT costs. Current data are given below. Which service department provides the most support to the other support department? Support Departments Operating Departments HR IT Production Marketing $ 10,500 $ 9,450 $ 100,000 $ 50,000 20 20 140 60 Costs incurred before inter- departmental cost allocations Support work of Personnel Number of employees Support work of IT Transactions(in 1,000s) a. HR O b.IT oc. Marketing d. Production 200 250 8,000 1,000