Using the information below, calculate the average total depreciable life of the assets: Information from the Balance Sheet: 2012 2011 Depreciable Assets $2,458,600 $1,985,400 Accumulated Depreciation (1,350,700) (1,046,000) Depreciable Assets (Net) $1,107,900 $939,400 From the Income Statement 2012 Depreciation Expense $384,500

a. 5.3 years b. 10 years c. 2.9 years d. 5.8 years