Match the following part programming codes with their respective functions:

$\begin{array}{|l|l|l|l|} \hline & \textbf{Part Programming Codes} && \textbf{Functions} \\ \hline P. & \text{G01} & I. & \text{Spindle stop} \\ \hline Q. & \text{G03} & II. & \text{Spindle rotation, clockwise} \\ \hline R. & \text{M03} & III. & \text{Circular interpolation, anticlockwise} \\ \hline S. & \text{M05} & IV. & \text{Linear interpolation} \\ \hline \end{array}$

1. $P – II, Q – I, R – IV, S – III$
2. $P – IV, Q – II, R – III, S – I$
3. $P – IV, Q – III, R – II, S – I$
4. $P – III, Q – IV, R – II, S – I$