題組內容

5. Assume that there are only two people in society. The demand curve for person \( A \) for mosquito control is given by \( q_A = 100 - P \). For person \( B \), the demand curve for mosquito control is given by \( q_B = 200 - P \). This activity could be produced at a constant marginal cost of $50 per unit.



a. What is the optimal level of mosquito control? (5%)