Match the CORRECT pairs:

$\begin{array}{llll} & \text{Numerical Integration Scheme} & & \text{Order of Fitting Polynomial} \\ P. & \text{Simpson's 3/8 Rule} & 1. & \text{First} \\ Q. & \text{Trapezoidal Rule} & 2. & \text{Second} \\ R. & \text{Simpson's 1/3 Rule} & 3. & \text{Third} \end{array}$

- $P-2; Q-1; R-3$
- $P-3; Q-2; R-1$
- $P-1; Q-2; R-3$
- $P-3; Q-1; R-2$