Question 19 Which of the following statements related to cost estimation methods is true? Not yet answered Marked out of 0.60 O a. The high-low method is the most accurate and reliable method to determine the cost behavior compared to scatter-graph plot and least-squares regression methods. O b. The low-high method is used to derive an estimated line of cost behavior by graphically connecting the two cost amounts identified with the highest and lowest volume levels. c. Only high-low method has a slope and an intercept. O d. The most complex method of cost estimation is the high-low method. e. None of the given answers. P Flag