CELLULAR INC <CELS.O> TO SELL UNIT, TAKE GAIN Cellular Inc said it reached a definitive agreement to sell assets of its wholly owned Michigan Cellular Inc to Century Telephone Enterprises Inc <CTL> and add 28 cts a share to the year's earnings as a result. It said the sale, subject to regulatory approval, represents a capital gain in excess of 800,000 dlrs over the original price paid by Cellular for its cellular interests in Michigan, acquired in December 1986.