Please help with this practice question.

QUESTION 5 Conservice has a natural monopoly on providing electricity in a neighborhood in San Luis Obispo. The average cost of providing electricity for Conservice is ATC = 150/Q + 2 and the marginal cost of providing electricity for them is MC = 2. Demand for electricity in this neighborhood is given by P = 58 - 2Q. What price will Conservice charge if they are forced to charge the "fair-return price" (average-cost pricing)? (Write answer without the dollar sign.)