Here is the collected information showing the monthly expense data for the cost behavior of operating costs for a company: a: Run a regression and save your output as a new worksheet that you rename Output b: Write out the cost equation formula with the appropriate intercept and slope c: Report how much of the change in Operating Costs can be explained by the change in Total Cases d: Is this relationship statistically significant at the .05 level? How about at the .01 level? (Include the number you used)