answer all three please and thank you!

Question 14 Investment (1) is O directly correlated to the real interest rate (r) O inversely correlated to the real interest rate (r) not correlated with the real interest rate (r) Question 15 If government purchases (G) equal taxes minus transfers (T), the government O has a balanced budget O runs a budget deficit O runs a budget surplus Question 16 The analysis in Chapter 3 assumes that G and T are O endogenous variables O exogenous variables