What would be the effect of each of the following on the money demand, M1 (with other

Question:

What would be the effect of each of the following on the money demand, M1 (with other things held equal) ?
a. An increase in real GDP
b. An increase in the price level
c. A rise in the interest rate on savings accounts and
Treasury securities
d. A doubling of all prices, wages, and incomes (Calculate the exact effect on the money demand.)