three bottling plants are making similar bottles. plants A makes 12 bottles per minute, plant B makes 7 bottles per minute and plant c makes 19. It cost 8 cents per bottle for plant A, 5 cents per bottle for plant B and 11 cents per bottle for plant c. A bodyguard needs to be hire for each individuals plants and is paid 30 per hour. ($60 will be paid if the guard works for one hour and one minute), which plant along will be the most efficient to make 1200 bottles?
