Zeke Company sells $25,000$ units at $$21$ per unit. Variable costs are $$10$ per unit, and fixed costs are $$75,000.$ The contribution margin ratio and the unit contribution margin, respectively, are

$47\%$ and $$11$ per unit

$53\%$ and $$7$ per unit

$47\%$ and $$8$ per unit

$52\%$ and $$11$ per unit