Which of the following is correct? a) A reduction in inventories held would have no effect on the current ratio. b) An increase in inventories would have no effect on the current ratio. c) If a firm increases its sales while holding its inventories constant, then, other things held constant, its inventory turnover ratio will increase. d) A reduction in the inventory turnover ratio will generally lead to an increase in the ROE e) If a firm increases its sales while holding its inventories constant, then, other things held constant, its inventory ratio will decrease.