Carpenter Western Wear is a retail clothing store in Lubbock, Texas. On average, the store earns a 40% gross margin on its merchandise. The owner, Carol Carpenter, wants to add jewelry to the sales mix. Carol believes that her customers won't pay more than $50 for a bracelet. If she wants to maintain the same average gross margin, what is the maximum wholesale cost she should pay for bracelets?

(a)

$15

(b)

$20

(c)

$30

(d)

$35