Please help!

7) (15 pts) Starting in each case with a graph showing an equilibrium in the foreign exchange market between the Japanese yen and the US (measured in y/$), show AND clearly discuss the impact on the level of the exchange rate of the following (each case is independent): a) An increase in growth and incomes in the US. Is this an appreciation or depreciation of the Japanese yen? b) an increase in inflation in Japan together with a decline in Japanese interest rates. Is this an appreciation or depreciation of the US $