This macroeconomics assignment solution analyzes an economic model with given parameters for autonomous consumption, marginal propensity to consume, taxation, investment, government spending, and net exports. The solution calculates the equilibrium income, multiplier value, and total consumption. It illustrates the consumption and savings functions and demonstrates the equality of leakages and injections. The assignment further explores the impact of expansionary fiscal policy on the AD-AS model, Phillips curve, and IS-LM model, detailing the effects on price levels, inflation rates, interest rates, and unemployment. It also discusses the effectiveness of fiscal policy in addressing economic recession and the associated government debt implications. The solution includes calculations, graphical representations, and explanations to provide a comprehensive understanding of macroeconomic concepts and policies.