MIDIVEST ACQUIRES ASSETS OF BUSINESS AVIATION <Midivest Inc> said it acquired all the assets of <Business Aviation Inc> of Sioux Falls, S.D., for an undisclosed amount of stock. Midivest said it expects to sell 10 to 20 of the renovated Beechcraft planes next year. It said management will also lease these airborne intensive care units to hospitals and government subdivisions through Metropolitan Leasing, a wholly-owned subsidiary of Midivest.