Last year, Ben Company's operating income under absorption costing was $$4,000$ lower than its operating income under variable costing. The company sold $7,000$ units during the year, and its variable costs were $$10$ per unit, of which $$2$ was variable selling expense. Fixed manufacturing overhead was $$3$ per unit in beginning inventory under absorption costing. Ending inventory was zero. How many units did the company produce during the year? Question $19$Answera$\mathrm{.}5,667$b$\mathrm{.}5,000$c$\mathrm{.}3,500$d$\mathrm{.}6,600$