1. Prepare adjusting journal entries, as needed, considering the account balances excerpted from the unadjusted trial balance and the adjustment data. Unadjusted Trial Balance Debit Credit Property plant and equipment 320,000 Accumulated depreciation 89,500 Prepaid insurance 24,000 Supplies 7,500 Unearned service revenue 3,000 A. supplies actual count at year end, $6,500 B. remaining unexpired insurance, $6,000 C. remaining unearned service revenue, $1,200 D. salaries owed to employees, $2,400 E. depreciation on property plant and equipment, $18,000