Rolf Steps is the production manager for a local manufacturing firm. This company produces staplers and other items. The annual demand for a particular stapler is $1,600$ units. The holding cost is $$2$ per unit per year. The cost of setting up the production line is $$25.$ There re $200$ working days per year. The production rate for this product is $50$ per day. The Total relevant cost of the Economic production quantity is approximately