Fоr аn AP prоjectiоn of the ribs аbove the diаphragm, which of the following statements is true?1.) The top of the cassette is placed 1 to 2 inches above the shoulders2.) The shoulders are relaxed, and the scapulae are flat against the table3.) The central ray is directed to T7.4.) Exposure is performed on full expiration to depress the diaphragm.