how do i record these transactions as journal entries?

Question

these are my trial balance accounts on January 1, 2006

Cash
accounts receivable
supplies
prepaid
land
equipment
accumulated depreciation
other assets
accounts payable
notes payable
wages payable
interest payable
deferred revenue
taxes payable
contributed capital
retained earnings
service revenue
depreciation expense
income tax expense
interest expense
other expenses

these are the transactions during 2006:

1. Signed a 1,000 annual repair contract that begins on January 15, 2007
2. Cash of 6,000 was collected on May 1, 2006 for services to be rendered evenly over the next year beginning June 1, 2006
3. The company earned service revenue of 20,000 on a special job that was completed December 24, 2006. Collection will be made during January of 2007.
4. The company collected six months rent of 4,800 for storage space on September 1, 2006.

Also what are the adjusting journal entries, if any, for these transactions?

Any help is much appreciated.

Answer 1

1. Signed a 1,000 annual repair contract that begins on January 15, 2007
No entry needed. You only signed a contract. You haven't performed any svcs or rec'd any money.

2. Cash of 6,000 was collected on May 1, 2006 for services to be rendered evenly over the next year beginning June 1, 2006
Dr Cash 6000
Cr Deferred services revenue 6000

Adjusting entry on Dec 31
Dr Deferred svcs rev 3500 (7/12 x 6000)
Cr Svcs rev 3500

3. The company earned service revenue of 20,000 on a special job that was completed December 24, 2006. Collection will be made during January of 2007.
Dr A/cs receivable 20,000
Cr Service rev 20,000

4. The company collected six months rent of 4,800 for storage space on September 1, 2006.
Dr Cash 4800
Cr Deferred rental revenue 4800

Adjusting entry on Dec 31
Dr Deferred rental rev 3200
Cr Rental rev 3200 (4/6 x 4800)

Answer 2

What about if the equipment was sold $5,000?