Exercise 20-1 (Part Level Submission) Determine the inn's break-even point in (1) number of rented rooms per month and (2) dollars. If the inn plans on renting an average of 50 rooms per day (assuming a 30-day month), what is (1) the monthly margin of safety in dollars and (2) the margin of safety ratio' (Round ratio to 0 decimal places, e.g. 15.)