A Regional DC uses a double order point system. Its replenishment orders come from a Central Supply Warehouse. The DC has the following information. At what stock level will the DC send the replenishment order to Central Supply?

Weekly Demand $=300$

Safety Stock $=70$

Manufacturing Lead Time $=5$ Weeks

Replenishment Lead Time $=4$ Weeks

Question $1$ options:

$1,200$ units

$1,270$ units

$1,570$ units

$300$ units

$3,330$ units