Answer:
<em><u>adjusting entries:</u></em>
<em><u /></em>
insurance expense   12,000 debit
   prepaid insurance            12,000 credit
depreciation expense 14,000 debit
   accumulated depreciation PPE   14,0000 credit
salaries expense    13,600 debit
     sales salaries payable 7,000 credit
     office salaries payable 6,600 credit
merchandise inventory    35,000 debit
         accounts receivables            35,000 credit
Explanation:
a) We paid the insurnace policy in cahs at the beginning. Now after time past, insurance expires. We are going to recognize an expense for the expired insurance and decrease the amount we prepaid
b)we declare the depreciation expense and the accumuate depreciation for our property plant and equipment (notice if there is specifit account we should use an accumulated deprecaition for each concept)
c) we declare the expense for the accrued salaries to mach them with the accounting cycle they occur
d) we adjust for the returned inventory. the sales return and allowance would keep their balance as a contra-revenue to adjust for net sales in the net income statement.