3. When a purchase of inventory on credit (using the perpetual inventory system) is processed in MYOB using "Enter Purchases" in the Purchases command centre, the accounting result is: a. Dr Purchases, Dr GST Collected, Cr Accounts Payable b. Dr Inventory, Dr GST Collected, Cr Accounts Payable c. Dr Inventory, Dr GST Paid, Cr Accounts Payable d. Dr Purchases, Dr GST Paid, Cr Accounts Payable