$3\mathrm{.}12.$ Given the following data, can an order for $20$ for delivery in week $4$ be accepted? Calculate the ATP using the following table. On hand $=50$ units.

$\backslash$table$[[$Week$,1,2,3,4,5,6,7,8],[$Customer Orders,$50,50,30,40,50,40,30,15],[$MPS$,,100,,100,,100,,100],[$ATP$,,,,,,,,]]$

Answer. Yes. Ten can come from the ATP for week $4$ and $10$ from the ATP for week $2.$