Donna 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 business was discussed$500 lunch with sister Nancy where no business was discussed$700 business dinner with a client but Donna forgot to keep any records$900 tickets to the opera with a client for pleasure

A. $450

B. $900

C. $500

D. $1,000

E. $950