Kaitlyn Coughlin, owner of Flowers 4 You, operates a local chain of floral shops. Each shop has its own delivery van. Instead of charging a flat delivery foo, Coughlin wants to set the delivery fee based on the distance driven to deliver the flowers, Coughlin wants to separate the fixed and variable portions of her van operating costs so that she has a betier idea how delivery distance affects these costs. She has the following data from the past seven months: (Click the icon to view the data.) Use the high-ow method to determine Flowers 4 You's cost equation for van operating costs. Use your results to predict van operating costs at a volume of 15 , 500 miles. Lors begin by delermining the formula that is used to calculate the variable cost (slope). Data table