Adjusting Entries and Account Classification

I am trying to get a better understanding of this before I get to the end of the class and need help with this problem.

see attached document.

Adjusting entries and account classification.
Selected amounts from Trent Company's trial balance of 12/31/05 appear below:
1. Accounts Payable $ 160,000
2. Accounts Receivable 150,000
3. Accumulated Depreciation?Equipment 200,000
4. Allowance for Doubtful Accounts 20,000
5. Bonds Payable 500,000
6. Cash 150,000
7. Common Stock 60,000
8. Equipment 720,000
9. Insurance Expense 30,000
10. Interest Expense 10,000
11. Merchandise Inventory 300,000
12. Notes Payable (due 6/1/06) 200,000
13. Prepaid Rent 120,000
14. Retained Earnings 130,000
15. Salaries and Wages Expense 328,000
(All of the above accounts have their standard or normal debit or credit balance.)

Part A. Prepare adjusting journal entries at year end, December 31, 2005, based on the following supplemental information.

a. The equipment has a useful life of 18 years with no salvage value. (Straight-line method being used.)
b. Interest accrued on the bonds payable is $15,000 as of 12/31/05.
c. Unexpired insurance at 12/31/05 is $8,000.
d. The rent payment of $120,000 covered the six months from November 30, 2005 through May 31, 2006.
e. Salaries and wages earned but unpaid at 12/31/05, $22,000.

Part B. Indicate the proper balance sheet classification of each of the 15 numbered accounts in the 12/31/05 trial balance before adjustments by placing appropriate numbers after each of the following classifications. If the account title would appear on the income statement, do not put the number in any of the classifications.
a. Current assets
b. Property, plant, and equipment
c. Current liabilities
d. Long-term liabilities
e. Stockholders' equity