var number_items = $2;
var shipping = $3;
var result = number_items * type + shipping * number_items * 1.5;
return result;“][bt_cc_item type=“select“ name=“Item Type“ value=“Type 1;50;This is item type 1
Type 2;100;This is item type 2″][bt_cc_item type=“slider“ name=“Number of Items“ value=“0;10;1;1″][bt_cc_item type=“switch“ name=“Include Shipping“ value=“0;10″][/bt_cc_group][/bt_cost_calculator]