$20$ of $20$

A retaller of women's clothing has begun offering promotional discounts by significantly reducing prices on $40\%$ of its inventory. What is the most likely outcome?

A$.$ Revenues and gross profit margin increases

B$.$ Revenues decline but gross profit margin increases

C$.$ Revenues may increase or decrease depending on volumes sold, but gross profit margin declines

D$.$ Revenues and gross profit margin declines

E$.$ Revenues and gross profit margin stay the same