Paris Operates a Talent Agency as a Sole Proprietorship, and This

Paris operates a talent agency as a sole proprietorship, and this year she incurred the following expenses in operating her talent agency. What is the total deductible amount of these expenditures?
$1,000 dinner with a film producer where no business was discussed
$500 lunch with sister Nicky where no business was discussed
$700 business dinner with a client but Paris forgot to keep any records (oops!)
$900 tickets to the opera with a client following a business meeting

A) $450.
B) $900.
C) $1,100.
D) $1,200.
E) $0