According to the law of supply, if the price of calculators decrease, the supply of calculators will decrease, everything else held constant

When the value of the dollar changes from £0.5 to £0.75, then the British pound has ________ and the U.S. dollar has ________

A) appreciated; appreciated B) depreciated; appreciated C) appreciated; depreciated D) depreciated; depreciated

When a central bank buys foreign assets,

A) its holdings of foreign assets rise by the amount of the purchase, but the monetary base is unaffected. B) its holdings of foreign assets and the monetary base rise by the amount of the purchase. C) its holdings of foreign assets rise by the amount of the purchase, and the monetary base rises by the amount of the purchase times the money multiplier. D) the monetary base falls by the amount of the purchase.