Casimir purchased $1,000$ shares in Course Developers for $$10,000$ on August $1,2022.$ The company went bankrupt on May $11,2023,$ with no hope of recovery for the shareholders. On what date is the stock deemed to be worthless and what is the nature of the loss?

Multiple Choice

December $31,2022,$ short$-$term loss in $2022$

December $31,2023,$ short$-$term loss in $2023$

December $31,2023,$ long$-$term loss in $2023$

May $11,2023,$ short$-$term loss in $2023$