Which line might represent an immediate-short-run aggregate supply curve?

Differences in income are most directly related to which of the following economic question?

A) What goods and services are produced? B) In what quantities are various goods and services produced? C) How are goods and services produced? D) Who consumes the goods and services that are produced?

Virtually all Federal Reserve open-market purchases and sales are conducted with government securities, mostly

A) Treasury bills. B) Treasury notes. C) Treasury bonds. D) savings bonds.