Select the best answer: A business associate $($BA$)$ is required by the Health Insurance Portability and Accountability Act $($HIPAA$)$ to protect protected health information $($PHI$).$ What is a BA$?$

a$)$A covered entity $($CE$)$

b$)$A person or entity acting on behalf of a covered entity $($CE$)$

c$)$An employee of a covered entity $($CE$)$

d$)$A laundry service

Question $3$ of $5$