DYNAMIC SCOPING IMPLEMENTATION: Assuming scoping method is used, show the contents of the executionvariablesthat areduring the execution ofthe last function, func$\_$c$?$int bigsub $()$int b$,$X$,$Y$.$W$,21$double q;float fune$\_$o $()$int x$,$ y$,2$;$)/*$ end of fune$\_$a $*/$ float fung b $()$int c$,2$;$1/*$end of fune$\_$b $-/$double fune$\_$a $()$int b$,$ y$,$ wi double$1/*$end of fune$\_$a $/$q$-$func al$)$:$)/$ bigsub $*/$Given that bigsub calls func$\_$a$,$func$\_$a calls func$\_$b$,$ and func$\_$b calls func$\_$c$.$Stack top is initially here