Preparing Adjusting Journal Entries Pacific Company adjusts and closes its books each December 31. It is now December 31 and the following information is available for preparing accounting adjustments. 1. The Accounts Receivable balance at December 31 is $16,000. The company estimates that 5% of receivables will not be collected. (Assume a zero beginning balance in Allowance for Doubtful Accounts.) 2. Unpaid and unrecorded salaries incurred at December 31 are $2,400. 3. The company paid a two-year insurance premium in advance on April 1 for $4,800 cash, which was debited to Prepaid Insurance. 4. Equipment which cost $40,000, is to be depreciated for the full year. The estimated useful life is 10 years, and the equipment will be depreciated evenly over its useful life. 5. Pacific Company leased a warehouse on June 1 for one year only. The company was required to pay the full amount of rent one year in advance on June 1, for $4,800 cash, which was debited to Lease Expense (Short-Term). 6. The company provided $6,000 in services to a customer and received a 9% note with a face amount of $6,000. The note was dated September 1; the principal plus the interest is payable one year later. Note Receivable was debited, and Sales was credited on September 1. 7. On December 30 the property tax bill was received in the amount of $2,500. This amount applied only to the current year and had not been previously recorded or paid. Taxes are due, and will be paid, on January 15 of next year. 8. On April 1 the company received $30,000 cash and signed a $30,000, 10% note payable. On that date, Cash was debited and Note Payable credited for $30,000. The note is payable on March 31 of next year for the face amount plus interest for one year. 9. The company purchased a patent on January 1 at a cost of $5,950. On that date, the Patent was debited and Cash credited for $5,950. The patent has an estimated useful life of 17 years and no residual value. Hint: Record the estimated expiration of the patent as amortization expense. Prepare the adjusting entry required on December 31 for each situation 1 through 9. Assume that no adjusting journal entries were recorded during the year prior to year- end.