Anastasia had a part-time job last year. She made $20 per hour and worked every week of the year. Each week she worked 7 hours. She paid her monthly expenses and saved the rest of her earnings. At the end of the year, she had $2,000 in savings. What were her average monthly expenses, rounded to the nearest dollar?

A.
$440
B.
$473
C.
$475
D.
$568