Which of the following is Gap $3$ of the Quality Gap Model $?($The extended version from the Lecture$)$

Question $18$Select one:

a$.$

Management Perception of Customer Expectation vs$.$ Quality Specification

b$.$

Service Delivery vs$.$ External Communication

c$.$

Quality Specification vs$.$ Service Delivery

d$.$

Employee Perception of Customer Expectation vs$.$ Expected Service