End of Chapter $3,$ case problems. Hoosier Burger on page $82($page $79,5$th Ed$.).$ But change $($i$)$ the predecessor of activity $3$ to $1$ and; $($ii$)$ the predecessors of activity $4$ to $2$ and $3.$

No$.$ Activity Expected Time$($wks$)$ predecessors

$1$ Requirements collection $1--$

$2$ Requirements Structuring $21$

$3$ Alternative generation $11$

$4$ Logical design $22,3$

$5$ Physical design $34$

$6$ Implementation $25$