Suppose the market for music is given by QD=21-3P and QS=P 9 T, where T represents the benefit or cost to society of consuming music. The market allocation for music takes T as 0, whereas the socially optimal allocation takes T= -4. Which of the following statements is correct? Price is higher under the socially optimal allocation, because of the positive externality Price is lower under the socially optimal allocation, because of the positive externality Price is higher under the socially optimal allocation, because of the negative externality Price is lower under the socially optimal allocation, because of the negative externality