The answer is c.
I hope this helps.
The best answers for this would be the following:
to protect the health and safety of consumers
to ensure that competition is fair to guarantee that all businesses will make money
<span>These are most of the advantages that mixed market can do to the economy.</span>
More people compare themselves to other's "highlight reels," there's less face to face interaction, and more time spent on social media means less time for ther activities.