$1)$ Briefly explain the three common non$-$financial KPIs mentioned in the YouTube Video.

$2)$ Briefly describe the FOUR perspectives of performance measurement in the Balanced Scorecard, and illustrate how they are linked in the framework.

$3)$ Provide, with brief explanations, any THREE supplier performance measures AND any THREE customer performance measures.

$4)$ Briefly describe and provide examples of the FOUR types of quality costs.