Decreasing the supply of money, all other things being equal, will
increase its “price”, that is, the interest rate on money balances.
Economics MCQ - Economics Section 2
As the gross domestic product (GDP) grows over time, both transactions
and precautionary money balances increase.
B is incorrect because the spending, P * Y, is approximately proportional
to quantity of money, M. C is incorrect because if money neutrality holds,
an increase in the money supply, M, does not affect Y, real output.

