d$.$ A feed point is given in the table below with the $K$ values. Calculate the liquid composition, $x_1,$ for components $A,B$ and $C$ using the formula for residue curves with a step size of $0\mathrm{.}5.$

Table $1\mathrm{.}3$: Composition and $K$ values of the system A$-$B$-$C of the feed point.

$\backslash$table$[[$Component$,x_0,K$