The boxplot below shows salaries for Construction workers and Teachers.

[Graphs generated by this script: setBorder(15); initPicture(20,50,-3,11);axes(5,100,1,null,null,1,'off');text([33,-3],"Salary (thousands of $)");line([24,2],[24,4]); rect([25,2],[40,4]); line([35,2],[35,4]);line([48,2],[48,4]); line([24,3],[25,3]); line([40,3],[48,3]);line([25,7],[25,9]); rect([35,7],[44,9]); line([40,7],[40,9]);line([50,7],[50,9]); line([25,8],[35,8]); line([44,8],[50,8]);text([20,5],"Teacher","right");text([20,10],"Construction","right");]

Jennie makes the median salary for a construction worker. Markos makes the first quartile salary for a teacher.

Who makes more money? How much more? $