For the System Unit in Week $2$:

$-$ Gross Requirements:

$-$ Projected ending Inventory:

$-$ Scheduled Receipts: $0($Beginning inventory$)$

$-$ Net Requirements:

$-$ Planned Receipts: $7,500$ units $($since the lead time is $1$ week, we need to order them in Week $1)$

$-$ Planned Orders: