Operation processes on invoices

app/Models/CostUnit.php

@@ -29,13 +29,13 @@ class CostUnit extends InstancedModel
         'archived',
     ];
 
-    public function tresurers()  : BelongsToMany{
+    public function treasurers()  : BelongsToMany{
         return $this->belongsToMany(User::class, 'cost_unit_treasurers', 'cost_unit_id', 'user_id')
             ->withTimestamps();
     }
 
     public function resetTreasurers() {
-        $this->tresurers()->detach();
+        $this->treasurers()->detach();
         $this->save();
     }