I need to show work and equation for the calculations. thank you

Assignment Ch21e,22 - The Simple Model with Government 8!. Foreign Trade Instructions: For the following question, write your answers in the space provided. Answers must be hand-written. Upload either a jpeg or pdf file to the assignment folder prior to the deadline. Consider a simple macro model with a constant price level and demand-determined output (i. e. the chapter 22 model) We are given the following equations: C = 420 + 0.9Yd, I = 200, G = 300, T = 0.2Y, X = 280, IM = 0.12Y. Calculate the following values: a) The marginal propensity the consume (b) b) The marginal propensity the consume out of national income c) Equilibrium national income (Y*) d) The marginal propensity to spend (2) e) The trade balance at equilibrium national income. (Indicate if it's a deficit or surplus) f) The government budget balance at equilibrium national income. (Indicate if it's a deficit or surplus)