High-Low Method Wyoming Wholesale has gathered the following data on the number of shipments received and the cost of receiving reports for the first seven weeks of the year. Number of Shipments Received Weekly Cost of Receiving Reports 500 $1,750 440 1,620 400 1,500 350 1,420 530 1,850 580 2,000 600 2.020 a. Using the high-low method, develop the equation for predicting weekly receiving report costs based on the number of shipments received y$ +$ b. What is the predicted amount of receiving report costs for a week in which 720 shipments are received Note: Round to the nearest whole dollar Budgeted cost of reports