Ermler & Trump is a wholesaler of small appliances and parts. Ermler & Trump is operated by two owners, Jack Ermler and Andrea Trump. In addition, the company has one employee, a repair specialist, who is on a fixed salary. Revenues are earned through the sale of appliances to retailers (approximately 75% of total revenues), appliance parts to do-it-yourselfers (10%), and the repair of appliances brought to the store (15%). Appliance sales are made on both a credit and cash basis. Customers are billed on prenumbered sales invoices. Credit terms are always net/30 days. All parts sales and repair work are cash only.

Merchandise is purchased on account from the manufacturers of both the appliances and the parts. Practically all suppliers offer cash discounts for prompt payments, and it is company policy to take all discounts. Most cash payments are made by check. Checks are most frequently issued to suppliers, to trucking companies for freight on merchandise purchases, and to newspapers, radio, and TV stations for advertising. All advertising bills are paid as received. Jack and Andrea each make a monthly drawing in cash for personal living expenses. The salaried repairman is paid twice monthly. Ermler & Trump currently has a manual accounting system.

• Help me to identify the special journals that Ermler & Trump should have in its manual accounting system and the appropriate column headings for each of them.
• What is the control system and subsidiary accounts that should be included in Ermler & Trump's manual accounting system? Why?