The "gifts of nature" are included as part of which factor of production?

If in market equilibrium the marginal social cost of producing a good exceeds the marginal private cost,

a. not enough of the product is being produced b. the price charged for the good is too high c. the good produces a positive externality d. the good produces a negative externality e. the government should produce the good

If actual inflation is less than the expected rate of inflation, then probably

a. the borrower gains at the expense of the lender. b. neither the borrower nor the lender gains. c. the lender gains at the expense of the borrower. d. the purchasing power of the borrower is increased.