Ari, who is a single taxpayer, purchased 1,000 shares of ABC stock two years ago for $42,000. She sold 500 shares on December 30, 2022 for $18,720. On January 7, 2023, she repurchased 300 shares for $7,000. How much loss can Ari use to reduce taxable income in 2022 related to this sale and what is her basis in the shares purchased in January 2023?

Benefit from loss?

Basis in new shares?