How well do you know your metrics?

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Across
  1. 4. Tring tring, call us for query on?
  2. 7. What makes supplier happy
  3. 8. Acronym SLA
  4. 9. Invoice without discrepancy
Down
  1. 1. Acronym TAT
  2. 2. Acronym KPI
  3. 3. Acronym of sharedserviceframework
  4. 5. Will not respond without ticket on(internal)?
  5. 6. Helps to control cashflow