$x$ produces cars that requires three brakes. They feel that they must produce $200,000$ cars next year. They want to hold, in their ending materials inventory, enough brakes to meet $10\%$ of next year's production requirement. They will start the year with enough brakes to manufacture $10,000$ cars. How many brakes must they purchase?

$650,000$

$630,000$

$660,000$

$645,000$

$615,000$