I'm not sure why it matters whether the cost is one time or ongoing. Either way, wheelchair ramps were simply one example. There are plenty of other accessibil

I'm not sure why it matters whether the cost is one time or ongoing. Either way, wheelchair ramps were simply one example. There are plenty of other accessibility considerations that do have ongoing costs. Elevators are probably the most similar parallel that have both an upfront cost and an ongoing maintenance cost and are often required for the same accessibility reasons.