NOTE: These figures are averages drawn from the U.S. Department of Agriculture's 2013 Annual Report Expenditures on Children by Families. (PDF) College costs assume four years of college, and are averages drawn from the report Trends in College Pricing: 2013, (PDF) compiled by The College Board.
Printer ink, the simple black liquid that people have been using for centuries. How much does Ink really cost? Weâll take an HP 564 black cartridge. This particular cartridge can hold 12 ML of ink. OEM priced at $12.99, we can factor that the ink inside is worth 92 cents per ML.
An inkjet printer. 1  An ink-jet printer works through spraying minute dots of ink onto paper to create an image. The dots use a combination of different colours to create photo-realistic images.  The advantage of using an ink-jet printer is that they offer excellent colour output and are cheaper than laser printers.