Frazier Manufacturing Company collected the following production data for the past month: If the high-low method is used, what is the monthly total cost equation? A)Total cost = $ 11,000 + $20/unit B)Total cost = $0 + $30/unit C) Total cost = $6, 600 + $24/unit D) Total cost = $8, 800 + $22/unit The high-low method is criticized because it A) is a mathematical method. B) ignores much of the available data by concentrating on only the extreme points. C) doesn't provide reasonable estimates. D) is not a graphical method. Which one of the following is NOT an assumption of CVP analysis? A) All costs arc variable costs. B) Sales mix remains constant. C) All units produced are sold. D) The behavior of costs and revenues are linear within the relevant range