QUESTION $3$: ALOHA PROTOCOL $(30$ POINTS$)$

$(30$ points$)$ Consider the following WiFi topology, with five transmitters $($A$,$ B$,$ D$,$ E$,$ and F$)$

and two access points $(C$ and $G).$ As shown, A and $B$ are associating with $C,$ while $D,E,$ and $F$

are associating with G $.$

$2$ BSSes with $7$ stations

Suppose the two access points are each using non$-$overlapping channels. Each station is

using the ALOHA protocol, with a $40\%$ probability of transmitting in each timeslot. What

throughput does Station A achieve $($in percent$)?$ How about Station D$?$