Americana Replics is owned and operated by a craftsman who makes replicas of historic firearms for museums, sportsmen, and collectors. He is currently producing 53 flintlock muskets per month. Cost data for the muskets are as follows: Price per unit Variable costs per unit Fixed costs per month $750 480 8,400 If Rustic expects to sell 50 units per month, how much is his margin of safety expressed in sales revenue? (Round unit calculations up to the next whole unit.) OA. $29,100 OB. $13,500 O C. $24,375 OD. S8640