Two economists from Northwestern University estimated the benefit households received from subscribing to broadband Internet service.

Two economists from Northwestern University estimated the benefit households received from subscribing to broadband Internet service. They found that in the year they analyzed, 47 million consumers paid an average of $36 per month to subscribe to a broadband Internet service, and estimated the value of total consumer surplus for these subscribers was equal to $890.5 million. Based on these numbers, what was the average monthly consumer surplus per subscriber for broadband Internet service?