Table: Aggregate Spending Mom. 0 D 100 600 500 500 500 600 1,000 1,000 900 600 1,500 1,500 1,300 600 2,000 2,000 1,700 600 2,500 2,500 2J0l} 600 3,000 3,000 2,500 600 3,500 3,500 2,900 600 4,000 4,000 3,300 600 Please refer to Table: Aggregate Spending. Suppose the economy has no government spending and no foreign trade. With no taxes and transfers, real GDP equals disposable income {VD}. The data in the accompanying table show consumption spending {Q and planned investment {0mm}. {10 points] a) What is the marginal propensity to consume in this economy? b} At what level of real GDP will the economy find its income-expenditure equilibrium