Suppose you are creating two macro variables, one to substitute the current year (year) into your DATA step program and one to substitute the total amount of taxes (taxes), as calculated by the DATA step. Which macro variable, year or taxes, must be created with the CALL SYMPUT routine?

	taxes must be created with the CALL SYMPUT routine. year can be created with the CALL SYMPUT routine or a %LET statement.
	year must be created with the CALL SYMPUT routine. taxes can be created with the CALL SYMPUT routine or a %LET statement.