Based on the Partition and Process Sizes shown below, select which processes will be allocated to which partition applying the first fit algorithm.

$\begin{array}{cc}\text{P}\text{a}\text{r}\text{t}\text{i}\text{t}\text{i}\text{o}\text{n}& \text{S}\text{i}\text{z}\text{e}\\ 1& 100KB\\ 2& 200KB\\ 3& 50KB\\ 4& 500KB\\ 5& 300KB\end{array}$

$\begin{array}{cc}\text{P}\text{r}\text{o}\text{c}\text{e}\text{s}\text{s}& \text{S}\text{i}\text{z}\text{e}\\ A& 200KB\\ B& 50KB\\ C& 450KB\\ D& 500KB\\ E& 200KB\end{array}$