Big Truck Tacos has developed the following forecast of demand and accepted orders for their holiday tacos as they enter the Taco Festival Season. They enter the planning period with $65$ holiday tacos in inventory as shown in Week $0.$

Week $012345678$

Forecast $708090100120140170220$

Customer Orders $805030100000$

Projected on$-$hand inventory $65$

MPS $$

ATP $$

Use Table $11\mathrm{.}1$ to answer this question. If Big Truck Tacos makes tacos in batches of $20,$ what should their MPS entry be for the first week of production?