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The line graph illustrates changes in the average consumer expenditure on three different telecommunication services in America from 2001 to 2010 Overall, the period saw a significant change in consumer spending habits. While national fixed-line expenditure decline steadily, cellphone spending surged to become the highest cost category, whereas international fixed-line costs remained stable and low In 2001, national fixed-line services were the most expensive, starting at $700 annually. Throughout the decade, this category experienced a continuous downward trend, reaching $400 by 2010. International fixed-line services remained the most stable category, starting at $250 in 2001, peaking at slightly over $300 in 2003, and then stabilizing at approximately $300 for the rest of the period Cell phone services began as the lowest expenditure category at #200 in 2001. Spending rose rapidly, crossing the national fixed-line levels around 2006. By 2010, cell phone expenditure peaked at approximately $750, making it the most significant cost for consumers