The demand for an electronic component is normally distributed with an average daily demand of $500$ units and a standard deviation of $50.$ The constant lead$-$time for the component is $9$ days. If a service level of $95\%$ is desired then the company$$s reorder point for this component is approximately $\_\_\_\_\_\_\_\_\_\_\_.($Find the closest number$)$

Question $10$ options:

$4,627$units

$4,500$ units

$3,785$ units

$4,747$units