. What is the output of the following program? MUST show all steps with a diagram to get full credit. struct st int info; struct st "next; struct st "list, *ptr; list new st; list-> info = 20; ptr = new st; ptr-> info = 36; ptr-> next = NULL; list-> next ptr; ptr = new st; ptr-> info = 40; ptr-> next = list; list ptr while ( ptr != NULL) cout info next