Assume that when an economy has a GDP of $500, Consumption is $550. The MPC is .75. Begin the problem by setting up an Income/Consumption Schedule like the one on page 198 of your text using Columns 1, 2, and 3. See below for the start of that table. Refer to Key Graph (Figure 10.2). 1. Graph the Consumption Function and the 45: Break-Even line. Key Graph (Figure 10.2)