At the optimal level of provision for public goods,

Group of answer choices

society's total willingness to pay per unit of the good is equal to the external cost of production

each individual member of society's demand is equal to the marginal cost of producing the good

each member of society's individual willingness to pay per unit of the good equals the marginal cost of producing the good

society's total willingness to pay per unit of the good equals the marginal cost of producing the good