Westwood One Inc. reported that it has...

Westwood One Inc. reported that it has completed its acquisition of the network radio assets of the Mutual Broadcasting System for $30 million in cash and notes plus 210,000 shares of its common stock . . . Mary Kay Cosmetics shareholders approved a buy-out plan proposed by an investor group led by company Chairman Mary Kay Ash and President Richard R. Rogers . . . Donaldson, Lufkin & Jenrette said it has obtained financing commitments totaling $905 million to finance the acquisition of Household Merchandising, which includes Vons Grocery; separately, FoxMeyer Corp., a distributor of health-care products, said it had agreed in principle to buy Ben Franklin Wholesale, a division of Household Merchandising.