Flu shots and other kinds of immunizations against contagious disease give external benefits to society at large.The current number of flu shots given to individuals is such that the private marginal benefits are MB=$5, the private marginal costs are MC=$5 and the marginal external benefits are MEB=$2.Given this information we can infer that

Group of answer choices

A. the current number of flu shots given is socially optimal.

B. more flu shots should be given to reach the socially optimal number of flu shots.

C. fewer flu shots should be given to reach the socially optimal number of flu shots.

D. No answer text provided.