On March 1. Flashfil Company received $2.100 in advance for 12 months of service to be provided, with the service period beginning on March 1 This $2.100 was recorded as Uneared Service Revenue. As of the end of the year, no entry has yet been made to adjust the amount initially recorded. The service is provided evenly throughout the year. Which one of the following will be included in the adjusting entry necessary on December 317 O A CREDIT to Uneared Service Revenue for $1.750 O ACREDIT to Uneared Service Revenue for $350 O A DEDIT Service Revenue for $1.750 O ACREDIT Service Revenue for $350 O AD Uneamed Service Revenue for $1.750