please solve complete in one hour

Ronald has a Burger Restaurant located near a local University. The restaurant not only sells two types of burgers: Beef Burger and Chicken Burger but also sell Pizza. Information relating to the three products for the next month follows: The company has monthly fixed costs of 12,000 and a tax rate of 20%. Required: a) Compute the company's expected profit (net income) for the upcoming fiscal period. b) Compute the company's sale mix. c) Assuming a consistent sales mix, how many units of each product type must the company sell to break even? d) Assuming a consistent sales mix, if the company wishes to earn a net income of 40,000, how many units of each product type must be sold? e) Compute the margin of safety in both revenue and percentage terms