How much is saving when disposable income is $1600 billion?

Consider a closed economy without the government. If the savings rate in the economy is 20% and the aggregate savings is $10,000, the aggregate consumption in the economy is:

A) $37,000. B) $45,000. C) $10,000. D) $50,000.

Epsilon is a country whose unit of currency is the omega. New information leads people to expect that the omega will appreciate next year

To keep the foreign exchange value of the omega fairly steady, the Bank of Epsilon will ________ enough omegas on the foreign exchange market so that the ________ omegas will ________. A) buy; demand for; increase B) sell; supply of; increase C) buy; demand for; decrease D) buy; supply of; decrease