The following information is available for a company's maintenance cost over the last seven months.

$\backslash$table$[[$Month$,$Units Produced,Maintenance,Cost$],[$June$,90,$$$3,710,],[$July$,180,5,240,],[$August$,120,4,220,],[$September$,150,4,730,],[$October$,210,5,750,],[$November$,240,6,260,],[$December$,60,3,200,]]$

Using the high$-$low method, estimate both the fixed and variable components of its maintenance cost.