Please complete in SAS and provide output as well as modified codes

11. Controlling Macro Variable Storage Open the m105e11 program shown below into the Editor window. imacro varscope a. data _null_; set orion.customer type end-final; call symputx( 'localtype' |left (_n_), Customer_Type)i if final then call symputx(' localn',-n); run ; %put imend -user-; varscope; b. Modify the program so that all macro variables that are created in the DATA step are stored in the local symbol table. c. Modify the program by adding the following statement before the DATA step and removing the scope specification in the SYMPUTX routine: local x; In which symbol table are the macro variable d. Modify the program so that all macro variables that are created in the DATA step are stored in the global symbol table