Problem $2(26$ points$)$conside ease to doors, one for Entry and the other ts$.$There are two doors, one for Entry and the other for Exit. Considering the availability of two separate doors for Entry and Exit, two separate Proximity Switches can be used to detect entry and exit of students:When number sistie in the troom y less than so$,$ then the fren lit c$($X$)$Wer number of studers in the Cassom $5500$r more, then Red Hight $($PE$)$ oes ONmaximuth earacey and is YUl, OFF, which indicates that the cassroom has reached isConstruct the ladder logic diagram $($LD$)$ for the operation.External DeviceProximity Switch at the Entry Doorinput$/$outputProximity Switch at the Exit DoorInputGreen Light at the Entry DoorOutputRed Light at the Entry DoorOutputTag $($Address$)$XOX$1$YOY$1$