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Mauro Products distributes a single product, a woven basket whose selling price is $15 per unit and whose variable expense is $12 per unit. The company's monthly fixed expense is $4,200. Required: 1. Calculate the company's break-even point in unit sales. 2. Calculate the company's break-even point in dollar sales. 3. If the company's fixed expenses increase by $600, what would become the new break-even point in unit sales? In dollar sales