Given the Forecast and Booked Orders Shown in the Table

Multiple Choice

Given the forecast and booked orders shown in the table, and a beginning inventory of 20, what is the available to promise inventory for the first period? There are no LOT quantity constraints. $$\begin{array} { | l | c | c | c | c | } \hline \text { Period } & 1 & 2 & 3 & 4 \\\hline \text { Forecasted Demand } & 200 & 220 & 240 & 200 \\\hline \text { Booked Orders } & 190 & 80 & 30 & 10 \\\hline \text { Projected ending inventory } & & & & \\\hline \text { Master production schedule } & & & & \\\hline \text { Available to Promise } & & & & \\\hline\end{array}$$

A) 0
B) 10
C) 20
D) 40