Mr. Krinsky is a wealthy lawyer who knows how to live well. No matter what his
disposable income is, he will always devote at least $$\$ 30,000$$ to
consumption each year. In addition, once his disposable income rises above
$$\$ 40,000$$ he saves half of the portion above $$\$ 40,000$$ and spends the.
rest on various luxuries.
a) Draw Mr. Krinsky's consumption function.
b) Over what range does dissaving occur, and over what range does saving
occur?
c) Describe the marginal propensity to consume over the course of the graph.