On January 2, 2020, Cheyenne Company sells production equipment to Fargo Inc. for $48,000. Cheyenne includes a 2 -year assurance warranty service with the sale of all its equipment. The customer receives and pays for the equipment on January 2,2020 . During 2020, Cheyenne incurs costs related to warranties of $900. At December 31,2020 , Cheyenne estimates that $620 of warranty costs will be incurred in the second year of the warranty. (a) Prepare the journal entry to record this transaction on January 2, 2020, and on December 31, 2020 (assuming financial statements are prepared on December 31, 2020). (Credit account titles are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No entry" for the account titles and enter 0 for the amounts.)