Consider the following work breakdown structure:

$\backslash$table$[[,,\backslash$table$[[$Time Estimates $($days$)],[$Most$]]],[$Activity$,$Precedes,OptimisticLikelyPessimistic,,$],[,$A$,$ B$,$ C$,-,-,62],[$A$,$D$,38,50,108],[$B$,$E$,90,99,115],[$C$,$End,$85,100,100],[$D$,$F$,19,25,31],[$E$,$End,$91,100,115],[$F$,$End,$62,65,68]]$

What is the estimated expected $($mean$)$ time for project completion?

Multiple Choice