This document provides instructions for completing 4 problems from chapters 11 and 12 of an economics textbook. The problems include 2 technical questions, 1 application question from chapter 11, and 2 technical questions and 1 application question from chapter 12. For the application question from chapter 12, the explanation must identify which component of GDP is affected by the changes described and whether each change will raise or lower GDP. All answers must be placed in a single Excel spreadsheet with each problem on a separate tab or sheet, with labels on inputs/outputs and the final answer highlighted in yellow. Graphs from questions must also be replicated in the spreadsheet.