Finx. Inc. Purchased a truck for $35000. The truck is expected to be driven 15000 miles per year over a five year period. And then sold for approximately $5000. Depreciation for the first year of trucks useful life by units-of-output method if the truck is actually driven 16000 miles will be: a. $7000 b. $6400 c. $6500 d. $6000