18. Given the forecasted sales and actual sales below, what is the tracking signal for March? Actual Sales Forecasted Sales MAD Forecast Absolute Error (FE) Deviation January February March 50 Running Sum of Forecast Errors -1 -7 -5 49 54 75 60 73 -1 -6 2 1 6 2 1.00 3.50 3.00 A. 3.5 B. 1.0 C. -0.5 D. -1.67 19. Regular variations related to factors such as the time of year or time of day are called A. trends. B. cycles. C. seasonality D. moving averages. 20. A shipment of 4 pallets weighs 12,000 pounds. If the LTL rate is $9 per hundred-weight, what is the cost to move this shipment LTL? A. $108 B. $1080 C. $10,800 D. $108,000 21. This mode of transportation uses trailers and crossdock buildings to move the freight for its customers. A. Rail B. Solo Truckload C. Team Truckload D. Less-Than-Truckload