The given line chart illustrates the average cost of housing in Sometown from July to December 2005.
Overall, the prices of both sold houses and ones that were on the market fluctuated over the period. Moreover, the figure for houses on the market consistently exceeded those for sold houses during the period shown.
Starting at over $330,000 since July, the former reached the lowest point of $320,000 in September. There was a slight increase of $10,000 in the next month, then it declined to just above $320,000 in December.
On the other hand, the cost of sold houses fluctuated at around $300,000 in the first month, then this figure bottomed out at $290,000 and remained stable until October. There was a significant increase in the last 2 months, the latter peaked at about $307,000.