ROUNDUP
Corn and soybean prices fell sharply on futures markets in response to Friday's Department of Agriculture crop report, which indicated much larger than expected 1988 U.S. corn and soybean harvests. ECONOMY</br></br>A rising dollar and a falling deutschemark are not desirable, Deutsche Bundesbank Director Claus Koehler said in an interview. Koehler told Die Welt that the strength of the dollar could threaten the stability of the European monetary system and cause inflation in West Germany.</br></br>Steel-producing capacity will rise this year after falling for seven consecutive years, the American Iron and Steel Institute said. Based on a survey of mills and furnaces, the industry's raw steel production capability is expected to reach 115.9 million tons, up from 112 million tons in 1988, the AISI said.</br></br>Mitsubishi Metal will build a $250 million copper smelter in Texas City, Tex., creating about 250 jobs generating an estimated $5 million annual payroll. The announcement capped a two-year effort to lure the plant to Texas City, about 40 miles southeast of Houston.</br></br>MCI Communications and American Airlines announced a deal under which members of American's AAdvantage travel awards program will receive bonus miles for using MCI's long-distance service.