EXHIBIT 11.2 LANDSTAR SYSTEM, INC. AND SUBSIDIARY CALCULATION OF DILUTED EARNINGS PER SHARE (In thousands, except per share amounts) (Unaudited) Twenty-Six Thirteen Weeks Ended Weeks Ended --------------------------- --------------------------- June 29, June 30, June 29, June 30, 2002 2001 2002 2001 ------------ ------------ ------------- ----------- Net income $ 20,762 $ 19,287 $ 12,248 $ 10,933 ============ ============ ============ ============ Average number of common shares outstanding 16,223 17,007 16,252 16,989 Plus: Incremental shares from assumed exercise of stock options 606 430 662 426 ------------ ------------ ------------ ------------ Average number of common shares and common share equivalents outstanding 16,829 17,437 16,914 17,415 ============ ============ ============ ============ Diluted earnings per share $ 1.23 $ 1.11 $ 0.72 $ 0.63 ============ ============ ============ ============ 22