Planning factors in MRP affect the overall system performance. Which one of the following is not a lot$-$sizing rule than can be assigned to each quantity before planned receipts and planned order released can be computed?

Economic Production Quantity $($EPO$)$

Periodic Order Quantity $($POQ$)$

Fixed Order Quantity $($FOQ$)$

Lot$-$for$-$Lot $($L$4$L$)$