WAM $($Wear$-$A$-$Mask$)$ faces demand for their new yoga pants at a constant rate of $10,000$ units per week. It costs WAM $$35$ to process an order to replenish inventory and $$5$ per unit per year to carry the item in inventory. Inventory is received $9$ working days after an order is placed. No backordering is allowed. Assume $52$ working weeks a year and $5$ work days per week.

When should WAM reorder? The reorder point is $\_\_\_\_\_\_\_$Units $($enter an integer only$)$