Given the following data. There are $100$ on hand $($Project Available Balance at beginning$).$ The lot size is $200.$ To determine MPS $($no shortage, no excessive inventory$),$ the MPS at $4$th week should be:

Week

$1$

$2$

$3$

$4$

Forecast Demand

$200$

$300$

$300$

$200$

Projected Available Balance

$100$

Master Production Schedule