On January 10, 2019, Mahlon Design Services purchased treasury stock at a cost of $26 million. On July 3, 2019, Mahlon resold some of the treasury stock for $11 million; this resold treasury stock had cost the company $4 million. Record the purchase and resale of Mahlon’s treasury stock. Overall, how much did stockholders’ equity increase or decrease as a result of the two treasury-stock transactions?