Human blood costs about $17.27 an ounce, silver about $34 an ounce. But both are bargains compared to the ink sold to the owners of inkjet printers, which can exceed $80 an ounce. Meanwhile, the ink used to print newspapers costs about 16 cents an ounce.
Today, color inkjet technology offers essentially photo-realistic output from consumer or home-office printers that cost less than $100. But even those who print out as few as 20 pages a week will probably have to buy several ink refills a year, at minimum, costing way more than the original price of the printer. Those who understand the issues can avoid the worst shocks.
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