cale drink and Pop drink are softdrinks with similar uses (they are substitutes), but most people prefer one over the other. They face demand curves of the form: c = 50 10c+ 5p p = 40 20p + 2c where the quantities are measured in millions of cans per year and prices a are measured in dollars. The marginal cost of producing a can is 1 dollar. a) [4 points] What are the firm's profit functions? b) [6 points] What are the firm's best response functions? c) [5 points] What is the equilibrium price and quantity? d) [5 points] What type of commitment can Cale drink benefit from? Explain. (Bonus open-ended question: Any ideas on how to execute such commitments? )