Regarding markups and turnover:
A. supermarket operators have found that high-margin products are generally more profitable that low-margin products.
B. higher markups do not always lead to higher profits.
C. low stockturn rates increase costs by tying up working capital in inventory.
D. to earn higher profits, all firms should lower their markups and seek faster turnover.
E. Both B and C.
Answer: E. Both B and C.