Table 4-1PriceFirm A’sQuantitySuppliedFirm B’sQuantitySuppliedFirm C’sQuantitySuppliedFirm D’sQuantitySupplied$010000$28345$466810$6491215$8212820$10015425Refer to Table 4-1. If these are the only four sellers in the market, then the market quantity supplied at a price of $4 is