What does 'readily achievable barrier removal' mean and when does it apply?

• A. Barriers that can be removed regardless of cost; applies to new construction
• B. Barriers that can be removed or altered easily, without substantial difficulty or expense; applies to existing facilities under Title III
• C. Barriers never to be removed; never applies
• D. Barriers that require building-wide renovations; applies to all titles

Answer: (B)