Shultz Inc pays $2,000 in payroll every week. December 31st falls on a Thursday this year. Prepare the December 31st adjusting entry. O Dec 31 Salaries Payable O Dec 31 O Dec 31 O Dec 31 Salaries Expense Salaries Expense Salaries Payable Salaries Payable Salaries Expense Salaries Expense Salaries Payable 1,200 1,200 1,600 1,600 1,200 1,200 1,600 1,600