Apprentice Mousetraps has developed the Magic Mouse Trapper. The company$$s fixed costs are $$30,000$ per week. The product sells for $$20.$ Initially, the company estimated that it would cost $$5$ per unit to make each mousetrap. After one week in production, however, the company realized that its actual cost to make each unit was $$7\mathrm{.}25.$ What are the weekly volumes that a$)$ Apprentice originally thought it needed to produce to break even, and b$)$ Apprentice actually needs to produce to break even?

$1,000$ and $2,000$ mousetraps

$2,353$ and $4,000$ mousetraps

$2,000$ and $2,353$ mousetraps

$2,000$ and $3,000$ mousetraps