Fixed vs variable cost preference. bates operates a kiosk at a local mall, selling duck calls for $30 each. the variable cost to make a duck call is $18. a new mall is opening where bates wants to locate a new kiosk. the mall operator offers the following two options for bates: 1. paying a fixed rent of $15,000 a month, or: 2. paying a fixed rent of $9,000 per month plus 10% of revenue earned from each duck call, the amount of monthly sales (in units) at which bates would be indifferent as to which plan to select is: a) 1,900 b) 2,000 c) 1,500 d) 1,600

Which statement below best describes george waring's approach to solving the problems of water-borne illness? a. waring is going with his "gut," because he believes that instincts and emotions are the best guides for action. b. waring efficiently and thoroughly lays out the case for why the problems are too large and overwhelming to be solved: people should just move out of cities back to their farms. c. waring has gathered the testimonies of people who live in densely populated areas in order to learn how they themselves have solved their problems. d. waring exhibits the industrial age's increased respect for and reliance on science and the scientific method.