MOUNT VERNON -- Lake Stevens took advantage of two Mount Vernon errors in the fifth to pad its lead on the way to a Wesco 4A North victory.At Mount Vernon H.S.Lake Stevens 010 120 1--5 8 0Mount Vernon 000 010 0--1 3 2Card, Herzog (6) and Kelliher. Stefanie Witman and Kylie Romero. WP--Card. LP--Witman (4-1). HR--Browder (LS). Records--Lake Stevens 1-0 league, 2-2 overall. Mount Vernon 0-1, 5-1.