Using the Information Below,calculate the Average Total Depreciable Life of the Assets

Using the information below,calculate the average total depreciable life of the assets:
$$\text { Information iram the Balance Sheet: }$$
$\begin{array}{lccc}&2012&2011\\ \text { Depreciable Assets } &\$ 2,458,600 & (1,350,700) \\ \text { Accumulated Depreciation }& \$ 1,985,400 &(1,046,000 \\ \text { Denreciable Assets (Net) }&\$ 1107900&\$ 939400\end{array}$


$\begin{array}{lccc} \text { From the Incame Statement } & 2012 \\ \text { Depreciation Expense} & \$ 384,500\end{array}$

A) 5.8 years
B) 10 years
C) 2.9 years
D) 5.3 years