Tejon Ranch, Lebec, Calif., reported that it...

Tejon Ranch, Lebec, Calif., reported that it has received a favorable decision from the U.S. Tax Court with respect to tax deficiencies asserted by the Internal Revenue Service for years 1972 through 1978. The decision is subject to appeal by the IRS . . . American Airlines reported a 22.4% increase in revenue passenger miles flown in April. Pan Am reported a 34.7% decline for the same period . . . Fremont, Calif.-based Apricot said it plans to introduce an entry level, MS-DOS business microcomputer for $995 . . . Shamrock Acquisition said it has extended its offer to acquire all outstanding common shares of Central Soya until May 8 . . . Wang Laboratories, Lowell, Mass., said it signed an agreement with Sotas Inc. to integrate GE-Software International financial and general business packages into Wang Office, Wang’s flagship information processing software.