Q1 Single choice Flag Given the following data set:Which SAS program produced this output? A proc sort data=one(where=(age>50)) out=two;by subjid;run; B proc sort data=one(if=(age>50)) out=two;by subjid;run; C proc sort data=one out=two;where=(age>50);by subjid;run; D proc sort data=one out=two;if age>50;by subjid;run; Correct answer