Which sequence of transformations will change figure PQRS to figure P′Q′R′S′? Select one:a. Counterclockwise rotation about the origin by 90 degrees followed by reflection about the x-axisb. Counterclockwise rotation about the origin by 90 degrees followed by reflection about the y-axis c. Counterclockwise rotation about the origin by 180 degrees followed by reflection about the x-axis d. Counterclockwise rotation about the origin by 180 degrees followed by reflection about the y-axis