Date July 12 July 13 July 16 July 17 July 18 July 19 July 20 July 23 July 24 Days from announcement -4 -3 -2 -1 0 1 2 3 Ross Company Market Return -0.2 0.1 0.6 -0.4 1.9 -0.8 -0.9 0.6 0.1. Ross Company Return -0.4 0.3 0.8 -0.2 1.3 -0.6 -1.0 0.4 0.0 Westerfield, Incorporated W'field Date February 8 February 9 February 10 February 11 February 12 February 15 February 16 February 17 February 18 Abnormal Returns (R; - RM) Jordan Market Return -0.7 -0.8 0.6 0.8 -0.1 1.3 0.7 -0.1 0.5 Sum Company Return -0.9 -0.9 0.4 1.0 0.1 1.4 0.7 0.0 0.4 Average abnormal return Date October 1 October 2 October 3 October 6 October 7 October 8 October 9 October 10 October 13 Cumulative average residual Jordan Company Market Return 0.3 0.2 0.9 -0.1 -2.4 0.3 -0.5 0.1 -0.2 Company Return 0.5 0.8 1.3 -0.5 -0.5 0.3 -0.4 -0.1 -0.6