Since services are intangible, so KPIs for services must be qualitative in all circumstances.

No, KPIs for services must always be quantitative so that they can be measured easily

No, some KPIs for services are measurable by means of outcome, time and space performed

Yes, quantitative KPIs are limited to timeliness of supply of goods, defective rates and in-full quantities, which are applied to monitor supplier of physical goods

Yes, the only measure mattered to supply of services is end-users' satisfaction