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SupposeC= E +ggg1= ? -bi,G= E,ande= E+erinaclosed economy. (a) What does I) represent? What effect do large and small values of b have upon investment spending when there is a change in the rate of interest? Why? (b) What does c represent? What effect on the economy would a larger value of c have? (c) If there is an increase in G, will the change in Y be smaller, larger, or equal to the change in G? Why? (:1) Does a change in the interest rate have any effect on Y? Why or why not? (e) Establish the equilibrium output in this economy