On October 1, 2019, Westfield, Inc. sold machinery to a customer for $20,000. The customer could not pay at the time of sale, but agreed to pay 11 months later, and signed a 11month note at 11% interest. How much interest revenue was earned during 2019? Round any intermediate calculations to two decimal places, and your final answer to the nearest dollar.

A.$580

B.$550

C.$4,400

D.$2,017