The manager of a dessert cafe wants to determine the necessary volume of sales dollars next month to break-even. There are three sales categories: desserts, liquor, coffee. The following table gives estimates the cost per unit, the selling price per unit, and the percentage revenue for each category. The fixed cost for running the cafe (that is, rent, utilities, etc.) is $31800 per month. What is the profit margin for Coffee? Specify as a number with two decimal digits by rounding. What is the break-even point in dollars per month