The Figure Below Shows the Demand and the Supply in a Market

The figure below shows the demand and the supply in a market before and after a tax is imposed. The demand and the supply curves are straight lines.

-Refer to the figure above.Who is legally responsible to pay the tax? How much is the tax?

A) Buyers are required to pay the tax of $0.75 per unit bought to the government.
B) Buyers are required to pay the tax of $1.00 per unit bought to the government.
C) Sellers are required to pay the tax of $0.75 per unit sold to the government.
D) Sellers are required to pay the tax of $1.00 per unit sold to the government.