\begin{center} \begin{tabular}{lcc|lcc} \toprule \multicolumn{3}{c|}{Year 1} & \multicolumn{3}{c}{Year 2} \ & Qty & Price & & Qty & Price \ \midrule Good 1 & 100 & 100 & Good 1 & 120 & 100 \ Good 2 & 100 & 100 & Good 2 & $x$ & 80 \ \bottomrule \end{tabular} \end{center} For which range of $x$ is the consumer's behaviour inconsistent with WARP?