Could I have help with these journal entires.

Journal Entry:

February 1: In order to keep up with being 104 year old hip evil billionaire, Mr. Burns decided to purchase a new truck. The truck cost $40,000. Mr. Burns put a down payment on the truck of $10,000 and took out a note for the rest (long term). The interest rate of the note is 8%. The truck will depreciated by miles. The expected life of the truck is 100,000 miles.

Adjusting Journal Entry:

Mr. Burns recorded the depreciation for the fixed assets. The truck had 40,000 miles at December 31 and has an expected life of 3 years. Round to the nearest dollar. The other assets used double-declining balance