ocr: Construction ofa Contribution Chart Draw the graphs axes. The Y. or vertical axis should be labelled 1 The with X. E or values horizontal against axis which should costs be and labelled revenues with will unit be values plotted. against which production and sales levels will be plotted. 2 Draw the variable cost line. 3 Draw the total cost line. 4 Draw the sales revenue line. 5 at The which breakeven the total point cost can line be intersects established the by total finding revenue the line. point