Answer:
$38 Maintenance Expenses - DEBIT
$38 Cash - CREDIT
$564 Delivery Trucks - DEBIT
$564 Cash - CREDIT
Explanation:
1. Paid $38 for an oil change
$38 Maintenance Expenses - DEBIT
$38 Cash - CREDIT
An oil change it's just an expenses of maintenance, which goes as General Expenses directly to the Income Statement.
2. Paid $564 to install special shelving units, which increase the operating efficiency of the truck.
$564 Delivery Trucks - DEBIT
$564 Cash - CREDIT
The installations of shelving units it's an improvements in the company's fixed assets, therefore, assets improvements are activated as fixed assets in the non-current assets section of the balance sheets.