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The accounting records of Azim Inc. include the following unadjusted balances at January 31: Accounts Receivable $1400 Supplies $700 Salaries Payable Unearned Service Revenue $850 Service Revenue $14200 Salaries Expense $4800 Supplies Expense As Azim's accountant, you have developed the following data for the January 31 adjusting entries: i. Supplies on hand, $250 ii. Salary owed to employees, $1900 ili. Service revenue accrued, $600 iv. Unearned service revenue that has been earned $900 Calculate the salaries expense for January