Suppose the demand for a product is given by P = 50 -Q. Also, the supply is given by P = 10 + 3Q. If a $12 per-unit excise tax is levied on the buyers of a good, government revenue is equal to

Group of answer choices

$36

$49

$84

$73.5

None of these

Suppose the demand for a product is given by P = 50 -Q. Also, the supply is given by P = 10 + 3Q. If a $12 per-unit excise tax is levied on the buyers of a good, after the tax, the total amount of tax paid by the consumers is

Group of answer choices

None of these

$18

$21

$84

$63