Fogerty Corp is trying to determine the cost behavior of their overall icecream selling costs. They provided you with three years worth of data showing the total selling costs and units sold in each. The head of sales believes that to better understand cost behavior, its important to consider whether the overall temperature was above 60 degrees in the region, as sunshine / higher temps leads to more happy customers and more sales. For simplicity, he assumed that June 1st - October 31st are considered "warmer periods". Bill, a new team member, believes that consideration should be given to whether or not Lepricon and Easter Bunny hot chocolate is served. This takes place only in March and April. Interpret the regression results. What variables drive selling costs