Plum Painting Services has a weekly payroll of $20,000. December 31 falls on Wednesday and Plum will pay its employees the following Monday (January 5) for the previous full week. Assume that Plum has a five-day workweek and has an unadjusted balance in Salaries Expense of $750,000 at December 31. What amount should be debited to Salaries Expense on December 31? $8000 O $750,000 $12,000 O $20,000