The cost of Singaporean first casino development could rise up to 40 percent in a struggle to keep the project on budget, reports said. Today newspaper quoted the CEO of Las Vegas Sands as saying the original us$ 3.6 billion cost of the development could swell by as much as USD 1.44 billion. The cost could rise by "20 to 40 percent," Las Vegas Sands president and CEO William Weidner was quoted as saying in Macau.