Amber is in the process this year of renovating the office building $($placed in service in $1976)$ used by her business. Because of current Federal Regulations that require the structure to be accessible to disabled individuals, she incurs an additional $$9,000$ for various features, such as ramps and widened doorways, to make her office building more accessible. The $$9,000$ incurred will produce a disabled access credit of what amount?

a$.$ $$0$

b$.$ $$4,375$

c$.$ $$4,500$

d$.$ $$5,000$