M5-6 Matching Cash Payment Processes to Internal Control Principles [LO 5-3] Match each of the following cash payment activities to the internal control principle to which it best relates. Select the appropriate Internal Control Principle from the dropdown listed below. Cash Payment Activities Internal Control Principle 1. The business manager has the only key to the check-signing equipment 2. The purchasing manager orders all goods and services for the business. 3. A bank reconciliation is prepared monthly. 4. Prenumbered checks are used for all payments. The company asks suppliers to deliver their merchandise to the warehouse but mail their nvoices to the accounting department