Use the same information in Cornerstone Exercise 7-17, except that Irons uses the units-of-production method of depreciation. Irons expects the truck to run for 150,000 miles. The actual miles driven in 2009 and 2010 were 40,000 and 36,000, respectively.

Required:

Prepare the journal entry to record depreciation expense for 2009 and 2010.