plz help me

Posting errors are identified in the following table. In column (1). enter the amount of the difference between the two trial balance columns (debit and credit) due to the error. In column (2), identify the trial balance column (debit or credit) with the larger amount if they are not equal. In column (3), identify the account(s) affected by the error. In column (4), indicate the amount by which the account(s) in column (3) is under-or overstated. Item (a) is completed as an example. (Select "None" if there is no effect.) Description of Posting Error Difference between Debit and Credit Columns (2) Column with the Larger Total (3) Identify Account(s) Incorrectly stated Amount That Account(s) Over- or Understated a $ 270 Credit Rent Expense Rent Expense is understated by $270 $1,960 debit to Rent Expense is posted as a $1,690 debit $3,920 credit to Cash is posted twice as two credits to Cash. b. c. $7,840 debit to the Dividends account is debited to Common Stock. d $1,810 debit to Prepaid Insurance is posted as a debit to Insurance Expense. e. $34,300 debit to Machinery is posted as a debit to Accounts Payable. t. $4,820 credit to Services Revenue is posted as a $482 credit. 9. $1,000 debit to Store Supplies is not posted