Gap 3 in the gap model is the discrepancy between:
a. the customer's expectations and perceptions.
b. management's perceptions of what features constitute a target level of quality and the task of translating these perceptions into executable specifications.
c. quality specifications documented in operating and training manuals and plans and their implementation. d. customer expectations and management perceptions of those expectations.

d. customer expectations and management perceptions of those expectations.

Explanation:

The delivery gap is the difference between service delivery policies and standards and the actual delivery of the service.

no

explanation:

jupiter is mainly composed of hydrogen and helium just like a star. spectral analysis of jupiter has revealed that in addition to hydrogen and helium, the planet is made of water, methane and ammonia. those elements are in trace amounts. the core of the planet is thought to contain some rock and metallic hydrogen. i hope this will give you the answer to your question! : d