Here is the journalized version of the transactions:
January 4:
Cash (150,000 x 2) + 300,000
Trucks 300,000
January 4:
Cash 650
Service revenue 650
January 5:
Truck expenses 90
Cash 90
January 11:
Insurance expense 600
Cash 600
January 16:
Salaries expense 9,400
Cash 9,400
January 20:
Accounts Receivable 7,550
Service revenue 7,550
January 21:
Repairs expense 450
Cash 450
January 21:
Office supplies expense xxx
Accounts Payable xxx
January 22:
Office equipment xxx
Accounts Payable xxx
January 23:
Trucks 250,000
Notes Payable 150,000
Cash 100,000
January 23:
Service revenue 14,600
Accounts Receivable 14,600
January 25:
Accounts Receivable 15,000
Cash 15,000
January 27:
Owner's Drawing 500
Cash 500
January 28:
Salaries expense 9,400
Cash 9,400
January 30:
Telephone expense 95
Electricity expense 12
Miscellaneous expense 50
Cash 157
January 30:
Rent expense 4,000
Cash 4,000