JJJ Corporation owns a number of shopping centers used to produce rental income. In 2020, the corporation received an advanced rental payment of $20,000 from one of the tenants. The advance payment represented the payment of the rent for the year 2021.

A. If JJJ Corporation used the cash method of accounting, indicate the amount of income, if any, the corporation would need to report in 2020.

B. If JJJ Corporation used the accrual method of accounting, indicate the amount of income, if any, the corporation would need to report in 2020.