Please help me understand how this makes a policy change: The Central Bank of Thailand has decided to increase the country's money supply temporarily during the current year. In the short-run when prices are sticky but the exchange rate is allowed to vary in a flexible way, this policy will:

a.raise the equilibrium aggregate real income in Thailand.

b.cause a depreciation of the nominal exchange rate in Thailand.

c.cause a decline in the interest rates in Thailand.

d.all of the above.

e.only a and c.