Kacey took an $$8,000$ distribution from their educational savings account and used $$6,000$ to pay for qualified higher education expenses. The remaining balance of $$2,000$ was used to purchase clothes. On the date of the distribution, their educational savings account had a $$25,000$ balance including the $$20,000$ they had contributed. How much of the $$8,000$ distribution is tax$-$free?

a$.$ $$7,600$

b$.$ $$6,000$

c$.$ $$8,000$

d$.$ $$0$