Ms. Nicole Kellogg owns 1000 shares of Johnson Ltd. They have an adjusted cost base of $28 per share. On July 22, 2019, she sells all of these shares at $15 per share. On July 31, 2019, she acquires 400 shares of Johnson Ltd. at a cost of $13 per share and is still holding the shares at the end of the year. What is the total ACB of the shares acquired on July 31, 2019?