Answer:
A) $0
Step-by-step explanation:
If the award was unsolicited and given to Joan in recognition for her accomplishments in scientific, educational, literary, religious, artistic, or civic fields, then the award is not taxed.
The unsolicited part is the key here, since most awards are given to candidates that have been previously been nominated by someone, e.g. Nobel prizes are only given to nominated candidates and the winners must pay income taxes.