Skittles Pet store provides a dog wash service. Its highest and lowest bills of $3800 and $2400 were incurred in the months of May and November, respectively. If 500 dogs were washed in May and 200 dogs were washed in November what was the fixed cost associated with the company's water bill? (Round any intermediate calculations to the nearest cent and your final answer to the nearest dollar.) \begin{tabular}{|r|} \hline$1400 \\ \hline$1467 \\ \hline$3800 \\ \hline$2400 \\ \hline \end{tabular}