Table 4-4 ​  Price (Dollars per unit) Quantity Supplie…

Table 4-4 ​  Price (Dollars per unit) Quantity Supplied (Units) Firm A    Firm B    Firm C    Firm D 0 0 0 0 0 2 2 3 4 5 4 4 6 8 10 6 6 9 12 15 8 8 12 14 20 10 10 15 16 25 ​ ​ ​ Refer to Table 4-4. If these are the only four sellers in the market, then when the price increases from $2 to $4, the market quantity supplied