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Corian samples An integrated Corian sink. Corian is the original material of this type, created by Donald Slocum, a chemist at DuPont, in 1967. [1] [2] His name appears on the patent issued in October 1968. [3] The product was first introduced for sale in 1971, at the National Association of Home Builders meeting in Houston, Texas. [1]
For example, if a firm sinks $400 million on an enterprise software installation, that cost is "sunk" because it was a one-time expense and cannot be recovered once spent. A "fixed" cost would be monthly payments made as part of a service contract or licensing deal with the company that set up the software.