Price for Buick Park Avenue

The selling price for Buick Park Avenue cars has had a strong depreciation during the last 6 months we have studied. During the first month analyzed in October the average price was $1,642. November went through a strong inflation with a rise in the price till $2,451. The following two months the selling price went through a strong reduction of -60 % compared to the previous two months studied. During the last couple of months, the average price has hardly changed, remaining the same going from $1,430.75 to $1,424 during February and March.