On October 1, 2017, Parsons, Inc. sold machinery to a customer for $23,000. The customer could not pay at the time of sale, but agreed to pay 9 months later, and signed an 9 - month note at 12% interest. How much interest revenue was earned during 2017? (Round any intermediate calculations to two decimal places, and your final answer to the nearest dollar.) A. $4, 140 B. $2, 070 C. $690 D. $720