28. Accepted characters: numbers, decimal point markers, sign indicators (-), spaces (e.g., as thousands separator, 5 000),"E" or "e" (used in scientific notation). NOTE: For scientific notation, a period MUST be used as the decimal point marker.Complex numbers should be in the form {a + bi) where "a" and "b" need to have explicitly stated values.For example: {1+1i} is valid whereas {1 +i) is not. {0+9} is valid whereas (9) is not.

Part 8 of 10 - Externalities Question 28 of 38 1 Points Price Quantity Quantity Quantity Supplied (after Demanded Supplied paying external costs) 120 180 120 100 130 170 130 110 140 160 140 120 150 150 130 160 140 160 140 Click to see additional instructions The following table shows the quantity demanded and quantity supplied of a good in a market with an external cost of $20 per unit. The last column shows the quantity supplied by the firms in the market if they must pay the external costs. If the firms are not required to pay for the external costs they create, what will be the equilibrium quantity in the market