Unique Ltd. operates a chain of shops. The company's chief executive officer is interested in accumulating some information on the utility costs incurred by the company. You have been asked to analyze the following twelve months' data. Month January February March April May June July August September October November December Utility Cost Number of Units $ 6,3751 5,625 $ 6,625 5,8501 $ 7,063 6,000 $ 7,875 6,900 $ 8,000 7,350 $ 8,375 8,100 S 8,794 8,850 $ 8,750 8,4001 $ 7,750 7,125 $ 7,625 6,750 $ 7,000 6,375 $ 7,375 6,750 Using the high-low method calculate the variable rate for total utility costs. Using the high-low method and variable rate entered above calculate the fixed cost for total utility costs. Using the method of least squares, your regression analysis produced an intercept of $2,000 and independent variable of 0.70. Using the results of the regression analysis calculate the total utility costs for 7,500 units. The CEO would like to understand what the advantages and disadvantages of the method of least squares and the high-low method. Select all of the advantages of the high-low method from the list below. Simple to calculate Uses all of the data points This method is objective Excludes outliers automatically Uses only two data points