During January, time tickets show that the factory labor of $7,100 was used as follows: Job 1 $2,370, Job 2 $1,770, Job 3 $1,570, and general factory use $1,390. Prepare a summary journal entry to record factory labor used. (Credit account titles are automatically indented when amount is entered. Do not indent manually.) Date Account Titles and Explanation Debit Credit Jan. 31