Rationale

$\backslash$table$[[$Period$,OH,$Demand Time Fence,Planning Time Fence$],[,2,3,4,5,6,7,8],[$Forecast$,,,20,20,20,20,20,20,20],[$Customer Orders,,,$19,20,21,21,25,20,18],[$PAB$,15,26,36,15,24,29,35,15,25],[$ATP$,,,,,,,,,],[$MPS$,,30,30,,30,30,30,,30]]$

$\backslash$table$[[$Period$,OH,$Demand Time Fence,Planning Time Fence$],[,2,3,4,5,6,7,8],[$Forecast$,,20,20,20,20,20,20,20,20],[$Customer Orders,,$19,20,21,21,25,24,20,18],[$PAB$,15,,,,,,,,],[$ATP$,,,,,,,,,],[$MPS$,-,10,,410,110,10,4,44,10]]$

Using the information provided, which periods would have a master production schedule quantity? Note: The safety.stock level is $10$ units and the lot size is $30$ units.

A$.1,2,3$

B$.1,2,3,4,6,7$

C$.1,2,4,5,6,8$

D$.1,3,4,7$