Use the following information to answer the given question
\(\begin{array}{c|c} & N\\ \text{Stock of raw materials - 1st January, 2002} & 460,000\\ \text{Purchases of raw materials} & 1,000,000\\ \text{Carriage inwards} & 100,000 \\ \text{Stock of raw materials - 31st December, 2002} & 500,000\\ \text{Royal paid} & 35,000 \\ \text{Manufacturing wages} & 80,000\\ \text{Supervisor's salary} & 15,000\end{array}\)
Total overhead cost is