(3) Von-Thunen Model III Refer to the von-Thunen model where a city's market reaches to the left and to the right. The firm is competitive and its price equals marginal cost. The firm's marginal cost is c=1; the market reach is x=14 to the left and x=14 to the right. Marginal transportation cost t equal t=5. (a) What is customers' WTP per unit of the good in question? (5 pts) (b) What is the rent for a person located at x=10? (3 pts)