EXHIBIT 11.2 LANDSTAR SYSTEM, INC. AND SUBSIDIARY CALCULATION OF DILUTED EARNINGS PER SHARE (In thousands, except per share amounts) (Unaudited) Thirteen Thirteen Weeks Ending Weeks Ending March 28, March 29, 1998 1997 ------------ ------------ Net income $ 4,492 $ 3,005 ============ ============ Average number of common shares outstanding 11,686 12,726 ============ ============ Plus: Incremental shares from assumed exercise of stock options 60 30 ------------ ------------ Average number of common shares and common share equivalents outstanding 11,746 12,756 ============ ============ Diluted earnings per share $ 0.38 $ 0.24 ============ ============