osb/app/Http/Controllers/CostController.php

<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;

use App\Models\Cost;

class CostController extends Controller
{
    public function home(Cost $o)
	{
		// @todo Need to add the services that are active that are not on the bill for the supplier.
		return view('a.cost.home',['o'=>$o]);
	}
}