Answer the following questions in this word document and submit via the ITC no later than 06/04/2022. Given the following model: Y=C+I+G C = a + b(Y-T) T = T+tY I = +iY 1- State the parameters in this model, the endogenous variables, and the exogenous variables. 2- What are the expected signs of the parameters? Why? 3- Find the equilibrium national income. 4- Write down the government spending multiplier. Give the economic meaning of the multiplier.