Delivery charges are showing in Store Dashboard.Make it optional.
If admin select a restaurant to manage delivery,then the delivery charges will shows to store.
If admin didn't select the restaurant,that delivery charges will shows to admin.
This feature will helps a lot.if delivery boys are hired from stores.then there is a logic for that delivery charges are enjoyed by stores.If a delivery boy is hired from admin,then how stores enjoy those charges.
Keep an eye on it and try to add this feature to your road map.