[USER (data scientist)]: Great! I would like to construct a table that displays the yearly count of affordable properties sold, their average price, and the annual percentage change. Once this is completed, could you please address the following question: How did the prices of affordable properties fluctuate over a one-year period, based on the results? 
A. Modest increase
B. Significant increase
C. No change
D. Decrease
E. None of above

[YOU (AI assistant)]: 