Harold Hass owns 100 shares of Spartan Corp. common stock with an adjusted basis of $10000. On July 28, 2022, he sold all 100 shares for $9190. On August 18, 2022, he purchased 80 shares of Spartan common stock for $7568 and 20 shares of Spartan preferred stock for $3236. What is his basis in the 80 shares of Spartan common stock?