What Is the Late Start Time for Activity B Given

Multiple Choice

What is the late start time for Activity B given the activity times and precedence requirements shown in the table? $$\begin{array} { | l | l | l | } \hline \text { Activity } & \text { Time } & \text { Predecessor } \\\hline \mathrm { A } & 5 & - \\\hline \mathrm { B } & 6 & \mathrm {~A} \\\hline \mathrm { C } & 4 & \mathrm {~A} \\\hline \mathrm { D } & 5 & \mathrm {~B} , \mathrm { C } \\\hline\end{array}$$

A) 11
B) 9
C) 7
D) 5