Problem #3 For each of the following unrelated situations, prepare the necessary December 31 adjusting entry: (1) $15,000 of work has been completed for a customer, but not yet billed. (2) Last month the firm received and recorded in advance $5,000 for service fees not yet earned. One-half of these fees were earned during December. (3) Employees have earned $27,000 wages, but will not be paid until the first week of January. (4) Depreciation on the factory building is $43,000. (5) Interest earned on investments at December 31, but not yet received, is $1,900. Transaction # Accounts Debit Credit