U.S. shipments of prefabricated housing (precut, modular housing) declined sharply in 1999–2004 as the abundant availability of low-cost mortgage financing and other factors led individuals to purchase site-built housing. In 1998, however, some forecasts had projected that prefabricated housing would gain market share at the expense of sitebuilt housing. What would have been the probable impact on market share of a typical company in the prefabricated housing industry under the 1998 optimistic forecast and under actual conditions?