$1-$ How has the implementation of the integrated planning system $($MRP$/$ERP$)$ affected the overall collaboration and communication between different departments or teams within the organization?

$2-$ Can you describe any specific challenges or resistance encountered during the adoption of the planning system and how those obstacles were addressed or mitigated effectively?

$3-$ In what ways has the planning system $($MRP$/$ERP$)$ influenced the company's ability to adapt to market changes or unexpected shifts in customer demands, and what notable improvements or adjustments have been made as a result of this capability?