Gantt Chart Preparation:

Activity No$.|$ Activity Time $($weeks$)|$ Immediate Predecessors $1|$ Requirements collection $|3|2|$ Requirements structuring $|3|13|$ Process analysis $|3|24|$ Data analysis $|3|35|$ Logical design $|5|4,56|$ Physical design $|5|6,77|$ Implementation $|6|8,9$ Activity No$.$ Activity Time $($weeks$)$ Immediate Predecessors $1$ Requirements collection $32$ Requirements structuring $413$ Process analysis $324$ Data analysis $325$ Logical design $53,46$ Physical design $557$ Implementation $66$

$$ C$.$

This step ensures that production is scheduled effectively during peak months to meet customer demand without overburdening resources.