Assume that a company sells customized sweatshirts for $$15$ per unit. It pays a sales commission of $$5$ per unit sold. The company must buy $5$weatshirts from its supplier in batches of $100$ units at an average unit cost of $$7$ per sweatshirt. The number of sweatshirts the company would need to sell to earn a target profit of $$1,640$ is closest to:

Multiple Choice

$537.$ sweatshirts

$1,937$ sweatshirts

$584$ sweatshirts.

$600$ sweatshirts: