How Could Regulation on Businesses Result in a "Hidden Tax

How could regulation on businesses result in a "hidden tax" to consumers?

A) Businesses could pass regulatory costs on to their consumers in the form of higher prices.
B) States could raise their sales taxes to compensate for higher regulatory costs.
C) Consumers may have to pay for recycling products that have been used or disposed.
D) Consumers may be required to pay large fees to have their garbage carried off to a landfill.
E) Purchasing in larger quantities may actually become more expensive per unit than smaller purchases.