Table 10-4 -Refer to Table 10-4.Take into Account Private and External Costs

Multiple Choice

Table 10-4

-Refer to Table 10-4.Take into account private and external costs and assume the quantity of output is always a whole number (that is,fractional units of output are not possible) .The maximum total surplus that can be achieved in this market is

A) $19.
B) $21.
C) $24.
D) $28.