[DESCRIPTION] CALCULATION OF EARNINGS PER SHARE EXHIBIT 11.1 LANDSTAR SYSTEM, INC. AND SUBSIDIARY CALCULATION OF EARNINGS PER COMMON SHARE (In thousands, except per share amounts) (Unaudited) Thirteen Thirteen Weeks Ending Weeks Ending March 28, March 29, 1998 1997 ------------ ------------ Earnings available for earnings per share: Net income $ 4,492 $ 3,005 ============ ============ Average number of common shares outstanding 11,686 12,726 ============ ============ Earnings per common share $ 0.38 $ 0.24 ============ ============