The graph shows the monthly customer acquisition cost (CAC) and customer lifetime value (CLTV) for a software company over the past year. Based on the graph, during which period did the company most effectively increase its CLTV relative to its CAC?
✓ Correct Answer: Option C
From July to September, CLTV shows a significant upward trend while CAC remains relatively stable or slightly decreases, indicating the most effective period for improving the CLTV:CAC ratio.