15) When the nominal exchange rate in terms of dollars per yen rises, A) the dollar buys more yen and the dollar has depreciated. B) the dollar buys fewer yen and the dollar has depreciated. C) the dollar buys more yen and the dollar has appreciated. D) the dollar buys fewer yen and the dollar has appreciated.

A consumer living in Ithaca, NY buys $1,000 dollars worth of toys from a company that manufactures toys in Tokyo, Japan. If we consider the US Balance of Payments and assume all foreign exchange transactions are between private citizens, this purchase results in                  to net exports and                   to private foreign assets in the US. a) a debit; a credit b) a credit; a debit C) a credit; a credit D) a debit; a debit

Explain the impact on US export and import if the US dollar has depreciated in comparison with other currencies. For example, the exchange rate for the Canadian dollar was 1.36 per U.S dollar in 2003. Now in 2020, it is 1.31 Canadian dollars per U.S.dollar under this case the dollar has suffered a slight depreciation. Also, when the dollar has depreciated in the case of the Chinese Yuan from 8.27 in 2003 to 6.69 yuans in 2020 per U.S dollar. Also, when there is not either appreciation or depreciation from 2003 to 2020 which is the case of Saudi Arabia currency its exchange rate remains the same 3.75 Riyals per dollar since 2003. Then explain the impact of  U.S. exports and imports under these scenarios.

Please help me figure out the answers to these two questions. Please also explain the correct answers to me and if you can highlight the correct choice.