Q: Consider the following statements regarding the projection of a point: 1. The line joining the top view and the front view of a point is always perpendicular to xy. It is called a reference line. 2. When a point is above the H.P., its front view is above xy; when it is below the H.P., the front view is below xy. 3. When a point is in front of the V.P., its top view is below xy; when it is behind the V.P., the top view is above xy. 4. As the point is below the H.P. and behind the V.P., its front view will be above xy and the top view is below xy. Which of the above statements are correct?