Answer:
He will forego 'job at a large well-established financial services company'
Step-by-step explanation:
Pete's opportunity cost of 'joining band' is - 'job at huge financial service company'.
Opportunity cost is the cost of next best alternative foregone while choosing an alternative.
Eg: If I like rice & noodles, opportunity cost of eating rice is the other best option i.e noodles.
Similarly: Pete having 2 options of following Music or Finance; deciding to join band - has opportunity cost as the other option i.e 'job at huge financial service company'