Disposable income a. t You are given the following information about the economy of Heron Island: t i. 11. 0 111. 10 20 Calculate Heron Island's 30 40 Millions of dollars per year Consumption expenditure Marginal propensity to consume (10-5)/(10-0)-0.5 Saving at each level of disposable income Marginal propensity to save 54 104 154 20+ 254 Draw a diagram of the consumption function. Calculate its slope. C. Over what range of income will there be dissaving?++