Which of the following statements related to cost estimation methods is true? O a. 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. O b. 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. Oc. The most complex method of cost estimation is the high-low method. O d. None of the given answers. O e. Only high-low method has a slope and an intercept. If Mazoon Company sells unit outputs below the breakeven point_ O a. total sales revenue will be less than total variable costs O b. total sales revenue will be less than total fixed costs there will be an decrease in total fixed costs O d. there will be a loss O e. None of the given answers