1. The document analyzes a chart showing average monthly household expenditures across five categories from 1990 to 2010. 2. It identifies two main trends: rent was the highest expense throughout the period, and overall expenditures increased significantly over time. 3. Spending on rent rose from £450/month in 1990 to £600/month in 2010, far exceeding increases in other categories like groceries, transportation, and utilities.