Issac contributes $9\%$ of his $$60,000$ salary to a Traditional $401(k).$ His employer, ABC Corp., matches $50\%$ of his contributions up to $10\%$ of his salary. His average tax rate is $14\%$ and his marginal tax rate is $25\%.$

How much is the total contribution to his $401($k$)($include both his and the company's contribution$)$ and how much would he save in taxes in the year of the contribution?

A$.$ The total contribution is $$8,400$ and the tax savings is $$2,100$

B$.$ The total contribution is $$8,100$ and the tax savings is $$0$

C$.$ The total contribution is $$8,100$ and the tax savings is $$1,350$

D$.$ The total contribution is $$8,400$ and the tax savings is $$1,350$