Mauro Products sells a woven basket for $15 per unit. Its variable expense is $12 per unit and 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. Note: Do not round intermediate calculations. 3. If the company's fixed expenses increase by $600, what would become the new break-even point in unit sales? In dollat sales? Note: Do not round intermediate calculations