Identify whether a categorical color scheme, a sequential color scheme, or a diverging color scheme should be applied in each of the following examples. In each instance, explain why this is the appropriate color scheme. $($a$)$ You have been given the following data on a popular regional product's unit sales and net profit for several markets. City Amarillo Ft$.$ Worth El Paso Dallas Houston San Antonio Austin Sales $($Units$)99,299112,219$ Net Profit $143,721$ $$122,619117,893$ $$169,500-$$$132,762139,486-$$$136,332175,555$ $$63,646157,241$ $$115,632$ $$80,707$ From these data, you have created the following bar chart to show the number of units sold by market.