Question $13(1$ point$)$

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A project consists of seven activities. The following table shows the estimated time of the activities and the precedence relations.

$\backslash$table$[[$Activity$,\backslash$table$[[$Estimated$],[$durations $($days$)]],\backslash$table$[[$Immediate$],[$predecessor$]]],[$A$,9,],[$B$,10,$A$],[$C$,5,$A$],[$D$,3,$B$,$ C$],[$E$,6,$B$,$ C$],[$F$,3,$D$,$ E$],[$G$,4,]]$

What is the EF for activity D$?$

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