A limitation of ratio analysis is that: a. it is useful only for large, multidivisional firms. b. statistical procedures are considered to analyze the net effects of a set of ratios. O c. window-dressing techniques will change the ratios of a firm. O d. seasonal factors that distort the firm's balance sheet are taken into account when calculating ratios. O e, inflation, which distorts the firm's balance sheet, is considered when calculating ratios