Chinwe owes $2,164.00. If she plans to pay this amount in quarterly payments (four payments per year), each quarterly payment would be $541.00. This is calculated by dividing the total amount owed by 4, since there are four quarters in a year. This approach of dividing the debt into equal quarterly payments is straightforward and commonly used for managing payments evenly over time. If more detailed strategies on how Chinwe can pay off her debt efficiently and quickly are needed, there are recommended debt payoff strategies such as the Debt Snowball method, the Debt Avalanche method, or setting up a debt management plan to reduce interest and consolidate payments.