BREAKING DOWN 'Variable Overhead'. For example, utility expenses for electric power are incurred by a manufacturing plant every month; the actual amount owed for such expenses depends on the level of manufacturing output.
Wilmerding, Pennsylvania. Wilmerding is a borough in Allegheny County, Pennsylvania, United States. The population was 2,190 at the 2010 census. It is located 12 miles (19 km) southeast of Pittsburgh. At the start of the twentieth century, it had extensive foundries and machine shops of the Westinghouse Air Brake Company.
Wallingford-Swarthmore School District is a midsized, suburban public school district in south-eastern Delaware County, Pennsylvania in the United States. It serves the boroughs of Swarthmore, Rose Valley and Rutledge, and the township of Nether Providence (consisting largely of the unincorporated community of Wallingford).