3.what is lilkely to value of the dollar if the following economic conditions change.(You can use a supply-demand drawing or reason with words.)

a.The Federal Reserve decides to lower interest rates.

b.A crisis causes foreign holders of finance to buy safe assets.

c.A big economic expansion in Europe leads to a surge of demand for American exports.

d.The United States experiences a big economic expansion and this leads to an increase in the demand for imports from China.