forgot to label her graph. Help her label the following graph.

i$)$ Identify the labels for Axis $x$ and Axis $Y.$

ii$)$ Among the points, A$,$ B$,$ C$,$ D$,$ E and F on the graph $-$ identify the locations of risk$-$free return and market portfolio $($M$).$

i$)$ Among the points A$,$ B$,$ C$,$ D$,$ E and F on the graph $-$ Identify the points that are indicating the locations of security P and Q$.$ explain why not.