The University Gift Shop purchases sweatshirts emblazoned with the school's name and logo from a vendor in Toronto. The vendor sells the sweatshirts to the Gift Shop for $$34\mathrm{.}99$ a piece. Shipping from Toronto to London costs $$110$ per order. When an order arrives, it has been estimated that receiving and inspection tasks cost the Gift Shop $$25.$ The annual holding cost for a sweatshirt is calculated as $11\%$ of the purchase cost. The Gift Shop manager estimates that $3100$ sweatshirts will be sold during the upcoming academic year. Assume that there are $260$ business days a year. If the economic order quantity is $500,$ what is the annual average inventory level?

A$.3100$

B$.420\mathrm{.}88$

C$.500$

D$.250$