7 O O O B 6 5 4 3 2 E 0 0 1 2 3 4 5 6 7 Figure 1: A Polygon in viewport where z-values of A, B ..., G are given by -5, -2,0, 5, 2, -1, -3, respectively (b) Find the Active Edge Table (AET) for the polygon with z-buffering in Figure 1 for scanline 1 to 5. [5 Marks]