Listen What is the tracking signal for period eight? Your Answer: Answer Question 31 (1 point) Listen What is the tracking signal for period nine? Your Answer: Answer Listen What is the tracking signal for period five? Your Answer: Answer Question 28 (1 point) 4) Listen What is the tracking signal for period six? Your Answer: Answer Question 29 (1 point) Listen What is the tracking signal for period seven? Your Answer: Monthly sales for the past nine periods along with the associated forecasts and MAD are shown in the following table. Month Sales Forecast MAD 1 770 775 2 778 785 3 786 790 4 790 787 5 793 795 4.52 6 790 788 3.92 7 794 791 3.75 8 800 798 3.35 9 801 799 3.05 Continue by computing the tracking signal starting in period five using the MAD values shown above. The MAD values shown above are not the correct values for the prior questions. I have provided these alternative numbers so mistakes in your MAD calculations do not cause your tracking signal calculations to be incorrect.