On December 1, 2017, Summit, Inc. sold machinery to a customer for $22,000. The customer could not pay at the time of sale but agreed to pay 10 months later and signed a 10-month note at 10% interest. How much interest revenue was earned during 2018? (Round any intermediate calculations to two decimal places, and your final answer to the nearest dollar.)

a	$1,650
b	$1,100
c	$2,017
d	$2,200