Use the following information to answer the given question,
\(\begin{array}{c|c} & N\\ \hline \text{Purchase price of equipment} & 60,000\\ \text{Freight and installation cost} & 10,000 \\ \text{Annual maintenance cost} & 1,000\\ \text{Estimated useful life - 5 years} & \\ \text{Estimated scrap value} & 2000 \end{array}\)
What is the annual depreciation charge of straight line method is used?

• A.N14,000
• B.N13,000
• C.N12,000
• D.N10,000