Havana Hats makes the world's best hats. Information for the last eight months follows:

$\backslash$table$[[$Mumber of Hats,Total Cost,$],[$Month$,$Produced,Ton,$],[$January$,3,400,9,000],[$February$,6,550,10,095],[$March$,7,900,4,000],[$April$,2,600,9,050],[$May$,6,690,9,400],[$June$,6,900,4,800],[$July$,3,100,5,350]]$

Required:

Using the high$-$low method, calculate the variable cost per hat and total fixed cost per month.

Note: Round your "Variable cost per unit" answer to $2$ decimal places.

Variable cost per unit

Fixed cost