BULD THE MODEL$($contrains$)$ and the objective function only number $12$ and $3$ clearly please

Part$-$C $(5$ Marks$)$

Q$16)$ We are Petro $($WrP$)$ is a middle eastern region company that extract crude oil from four major areas: Abqaiq $($A$),$ Bahrain $(B),$ Jubail $($ I $),$ and Dharan $($D$).$ The information related to these four oils is as follows:

When different oils are mixed together, the overall octane number of the mixture can be determined by calculating a weighted sum. This weighted sum takes into account both the quantity of each oil

$\backslash$table$[[,A,B,J,D$I