Wildhorse Golf Accessories sells golf shoes, gloves, and a laser$-$guided range$-$finder that measures distance. Shown below are

and sales data. Sales mix is determined based upon total units sold.

Fixed costs are $$699,720.$

$($a$1)$

Calculate weighted$-$average unit contribution margin. $($Round answer to $2$ decimal places e$.$g$.10\mathrm{.}25.)$

Weighted$-$average unit contribution margin $