Function 1. Accounts payable 2. Human resources 3. Equipment maintenance 4. Catalog mailings 5. Purchasing 6. Warehousing 7. Accounts receivable 1. Match each function with its representative cost driver. 2. Give a second example of a cost driver for each function. Representative Cost Driver A. Number of invoices sent B. Number of purchase orders C. Number of customers D. Number of machines E. Number of employees F. Number of bills received from vendors G. Number of pallets moved