Q. Master Card has a series of cute commercials that list a series of accounting items also costs leading to a costless product. Cell phones are often advertised as being free. In economics, it is said that nothing of value is either free or costless, everything has a cost. Take something from your experience, that is allegedly free or costless also use the concepts of accounting costs, economic costs, precise costs, implicit costs, opportunity costs also sunk costs to Elucidate why it is neither costless nor free.