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Additional Information: (1) The total supplies used during the year was $750. (2) Of the balance in the Unearned Revenue account, 60% had been completed. (3) Accrued salaries at December 31 were $900. (4) On December 1 , the company prepaid $2,400 for 4 months of rent. This transaction was recorded with a debit to Rent Expense (5) The note is a 6-month, 4% loan obtained from the bank on November 1 . (Notes: 4\% is annualized interest rate)