Fit a straight-line trend by the method of least squares for the following data:
\[
\begin{array}{|c|c|c|c|c|c|c|c|}
\hline
\textbf{Year} & 2004 & 2005 & 2006 & 2007 & 2008 & 2009 & 2010 \\
\hline
\textbf{Profit (₹ 000)} & 114 & 130 & 126 & 144 & 138 & 156 & 164 \\
\hline
\end{array}
\]