Group 1 contains some CPU scheduling algorithms and Group 2 contains some applications. Match entries in Group 1 to entries in Group 2.$$\begin{array}{|ll|ll|} \hline \rlap{\textbf{Group I} }&& \rlap{\textbf{Group II}} \\\hline \text{(P)}&\text{Gang Scheduling} & \text{(1) }&\text{Guaranteed Scheduling} \\\hline
\text{(Q)}&\text{Rate Monotonic Scheduling} & \text{(2)}&\text{Real-time Scheduling} \\\hline
\text{(R)}&\text{Fair Share Scheduling} & \text{(3)}&\text{Thread Scheduling} \\\hline \end{array}$$
- $P-3; Q-2; R-1$
- $P-1; Q-2; R-3$
- $P-2; Q-3; R-1$
- $P-1; Q-3; R-2$