please help me solve 2,4,6

1. An economy is at equilibrium. Use the model of a loanable funds market to determine the net effect on real interest rates, nominal interest rates, real exchange rates, and nominal exchange rates from an increase in government expenditures. 2. An economy is at equilibrium. Use the model of a loanable funds market to determine the net effect on real interest rates, nominal interest rates, real exchange rates, and nominal exchange rates from an increase in taxation. 3. An economy is at equilibrium. Use the model of a loanable funds market to determine the net effect on real interest rates, nominal interest rates, real exchange rates, and nominal exchange rates from an investment tax credit. (4.) An economy is at equilibrium. Use the model of a loanable funds market to determine the net effect on real interest rates, nominal interest rates, real exchange rates, and nominal exchange rates from a decrease in consumer confidence. 5. An economy is at equilibrium. Use the model of a loanable funds market to determine the net effect on real interest rates, nominal interest rates, real exchange rates, and nominal exchange rates from a decrease in government expenditures. 6. An economy is at equilibrium. Use the model of a loanable funds market to determine the net effect on real interest rates, nominal interest rates, real exchange rates, and nominal exchange rates from an increase in American appetite for foreign goods and services