Zip Games $($which operates for $250$ days each year$)$ purchases blank DVD disks onto which it copies its software for sale through its mail order operation. A disk costs Zip $$0\mathrm{.}20,$ processing an order for more disks cost $$15,$ and the company uses $60,000$ disks annually. The daily holding cost of a disk is estimated at $0\mathrm{.}1\%$ of the price of the disk. How many orders should be placed each year? Round your $$nal answer to the nearest integer.