$($b$)$ Using the information in Table $1,$ assuming that the project team will work a standard working week $(5$ working days in $1$ week$)$ and that all tasks will start as soon as possible:

$\backslash$table$[[$Task$,$Description,$\backslash$

table$[[$Duration$],$

$[($Working$],[$Days$)]],$

Predecessor$/$s$],$

$[$A$,\backslash$table$[[$Requirement$],$

$[$Analysis$]],5,],$

$[$B$,$Systems Design,$15,A$