Refer to Scenario 19

Refer to Scenario 19.2 below to answer the questions that follow.
SCENARIO 19.2: The current lowest cost method of producing brown paper bags is $5.00 per 100 bags. The government imposes a $0.50 tax per unit of labor. After the tax is imposed, paper bag producers will use two units of labor to produce 100 paper bags. This increases the cost of paper-bag production to $6.50 per 100 bags.
-Refer to Scenario 19.2. If 1,000 paper bags are sold, the excess burden of the tax is

A) $5.00.
B) $10.00.
C) $15.00.
D) $25.00.