1. The businessman opens container accounts to track containers used for selling goods, which are charged separately from goods.
2. Four types of container accounts are described: container stock, container trading, container debtors, and container reserve/suspense accounts. These track container inventory, profit/loss on containers, amounts owed by debtors for containers, and reserves for containers not yet returned.
3. An example transaction is provided and the corresponding journal entries are made across the four container accounts to properly track the movement and costs of containers.