Mueller Consulting is under contract to provide consulting services for $ 150,000 to Ames Computers. At the end of the current year, Mueller provided $ 30,000 of the services. It completes the services in the next year and receives the $ 150,000 payment on February 12. Prepare the journal entries for the service revenue earned during the current year on December 31, the reversing entry at the beginning of the new fiscal year, and the payment on February 12.