The following information is known for the month of December:

1. Purchases of supplies for cash during December were $2,700. Supplies on hand at the end of December equal $2,600.

2. No insurance payments are made in December. Insurance expired in December is $1,100.

3. November salaries payable of $9,200 were paid to employees in December. Additional salaries for December owed at the end of the year are $14,200.

4. On December 1, Golden Eagle received $1,800 from a customer.

For each item, (a) record any transaction during the month of December, and (b) prepare the related December 31 year-end adjusting entry. (If no entry is required for a particular transaction/event, select "No Journal Entry Required" in the first account field.)