4. Rocky Point Catering sells lunch boxes for $16.40 per box. The variable rate in this business is .4. The annual fixed expenses are $22,500. Please answer the following two questions (each question is place or a whole number; provide full calculations): 4.1. How much in sales this company needs to generate annually to make profit of $45,000 ? 4.2. How many boxes the company needs to sell annually to achieve the same profit as in question 1 ? Note: for the number of boxes to be sold, you will use the same formula as for the number of customers for profit mentioned in Lesson 3