The following table contains data on market advances and declines. Day Advances 1 921 2 663 3 721 4 518 5 495 Declines 709 991 804 998 1,095 Day 6 7 8 9 10 Advances 971 1,012 905 865 767 Declines 712 639 722 748 766 a. Calculate cumulative breadth. (Negative amounts should be indicated by a minus sign.) Day Advances Declines Net Advances Cumulative Breadth 1 921 663 2 709 991 804 3 4 5 721 518 495 971 1,012 905 998 1,095 712 6 7 639 8 722 9 865 748 10 767 766