Rio Coffee Shoppe sells two coffee drinks—a regular coffee and a latte. The two drinks have the following prices and cost characteristics: Regular Coffee Latte
Sales price (per cup) $1.80 $2.30
Variable costs (per cup) 0.70 1.10

The monthly fixed costs at Rio are $7,458. Based on experience, the manager at Rio knows that the store sells 70 percent regular coffee and 30 percent lattes.

Required:
a. How many cups of regular coffee must Rio sell every month to break even?
b. How many cups of lattes must Rio sell every month to break even?

An attorney came to work on a saturday. when he signed in, he was advised by the morning security guard employed by the building management that he must be out of the building by 5 p.m., when it closes. however, he stayed past 5 p.m. to complete a brief that had to be filed on monday morning. at 5: 15 p.m., the afternoon security guard set the locks on all the doors of the building and left. because she was in a hurry, she did not check the sign-in sheet to make sure that everyone had signed out, contrary to mandatory procedures. when the attorney tried to exit 15 minutes later, he discovered that the doors were all locked and could not be opened from the inside. he used his cell phone to call for , and a supervisor from the building arrived and let him out shortly thereafter. if the attorney sues the building management for false imprisonment, is he likely to win?