. In an industry, (1) demand is perfectly inelastic and (2) supply is perfectly elastic. When there
is no tax, the equilibrium price is $10 and the equilibrium quantity is 100 units. Suppose a tax of
$6 per unit imposed on the industry. After the tax, the seller price PS =___, the buyer price PD = __,
and the quantity ___
a) 7, 13, and "is less than 100."
b) 10, 16, and "equals 100."
c) 4, 10, and "is equal to or greater than 100."
d) 8, 14, and "equals 50."
e) There is insufficient information to answer the question.