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A company's global ecommerce application uses Amazon Aurora. Performance issues occur during large report generation, with CloudWatch showing spikes in ReadIOPS and CPUUtilization. What is the most cost-effective solution to improve performance?
A
Switch monthly reporting to Amazon Redshift.
B
Use an Aurora Replica for monthly reporting.
C
Upgrade to a larger Aurora instance class.
D
Enhance Aurora instance with more Provisioned IOPS.