Why does Figure show only one cash disbursement entity if Fred€™s Train Shop uses a general operating checking account for purchases of inventory, supplies, and operating expenses such as rent but also uses a separate checking account forpayroll?

Suppliers Order Inventory Take Customer Order Customer Employees H Inventory Employee Salesperson Receive Inventory Sales Customer Supplier Employee Cashier) Disburseo Receive Cash Cashier] O Cash CashH Employees as Poyee) Time Worked Employee Time Employee Supervisor) FIGURE 18-4 Integrated REA Diagram for Fred's Train Shop