Margaret Sells Hand-Knit Scarves at the Flea Market

Margaret sells hand-knit scarves at the flea market.Each scarf sells for $50.Margaret pays $30 to rent a vending space for one day.The variable costs are $15 per scarf.What total revenue amount does she need to earn to break even?

A) $93
B) $100
C) $45
D) $43