Given the following information on part $x,$

$\backslash$table$[[$Part X$,$Week $1,$Week $2,$Week $3,$Week $4,$Week $5,],[$Gross Requirements,,$80,0,90,0,90],[$Scheduled Receipts,,$0,0,0,0,],[$Projected Balance,$170,,,,,],[$Planned Order Releases,,,,,,$]]$

Lot Size $(Q)=60,$ Lead Time $=3$ weeks, and Safety Stock $=0$

The planned order releases required for Week $2$ are