Barbara owns a small shop where dresses are made. At the end of a given month, she has 250 dress. Her expenses for the month are $1,000 for rent, $6,000 for wages, $1,500 for fabric and thread, and $500 for elextricity. Her total variable costs for the month are:________.

A) c and e.

B) $4,000.

C) $32 per dress.

D) $7,500.

E) $8,000.