This problem uses the following program int var; //global variable procedure set.var (int val): procedure output.var ): print var; procedure foo (): set.var (2); output-var (); procedure bar ): int var set.var (4); output-var ); set-var (1); foo ); output var : bar () output-var ) (a) Suppose this program uses static (lexical) scoping. What wi it print, and why? (b) Suppose this program uses dynamic scoping. What will it print, and why