Assume that GDP (Y) is: Y= 5,100

Consumption (C) is : C = 400 + 0.3(Y -T)

Investment (I) is : I = 3,100 - 10 r

where r is the real rate of interest in percent

Taxes: T = 100

Government spending: (G) is G = 150

a. What are the equilibrium values of C , I, and r

b. What are the values of private saving, public saving, and national saving?

ASAP PLEASE ...ASSP