On March 5, 2018, a taxpayer discovers that stock purchased on May 16, 2017 for $15,000 has been declared worthless. The taxpayer recognizes a:

$15,000 ordinary loss.

$15,000 short-term capital loss.

$15,000 long-term capital loss.

$15,000 Section 1231 loss.

no loss on the worthlessness of stock.