What Is the Float Start Time for Activity C Given

Multiple Choice

What is the float start time for Activity C given the activity times and precedence requirements shown in the table? $$\begin{array} { | l | l | l | } \hline \text { Activity } & \text { Tirne } & \text { Predecessor } \\\hline \mathrm { A } & 5 & - \\\hline \mathrm {B} & 7 & \text { A } \\\hline \mathrm { C } & 5 & \text { A } \\\hline \mathrm { D } & 7 & \text { B, C } \\\hline\end{array}$$

A) 1
B) 2
C) 3
D) 4