Operator Thank you for standing by, and welcome to the O'Reilly Automotive First Quarter 2021 Earnings Call. [Operator Instructions] Thank you. Now I'd like to hand the conference over to Tom McFall. Mr. McFall, please go ahead. Tom McFall -- Executive Vice President and Chief Financial Officer Thank you, Jack. Good morning, everyone, and thank you for joining us. During today's conference call, we'll discuss our first quarter 2021 results and our updated outlook for the full year of 2021. After our prepared comments, we'll host a question-and-answer period. Before we begin this morning, I'd...