Need 2 Queries previous month response time and current month response time

Need 2 Queries previous month response time and current month response time

Need 2 Queries previous month response time and current month response time separated by all groups.

Example
"All Tickets Previous Month"
Group 1   Response time 2hrs
Group 2 Response time 1 hr
Group 4 response time 12 minutes

"All Tickets Current Month"
Group 1   Response time 2hrs
Group 2 Response time 1 hr
Group 4 response time 12 minutes

ManagedEngine ServiceDesk Plus 9.3
Standard edition.

Thank You



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