DiskSan has to order flash transistors ($5 each) to create USB flash memory drives. Their monthly demand is 10,000 units, their holding cost (which is mostly comprised of obsolescence costs) is 10% per month per dollar in inventory, and the setup costs for an order is $5 (mostly paperwork etc.). Determine the economic order quantity for these flash transistors. A. Approximately 320 B. Approximately 45 C. Approximately 200,000 D. Approximately 450.