This is a test of commonsense. Complete the next sentence:

How to donate empty ink and toner cartridges to charity
Explore recycle4charity.
Recycle4charity is one of the oldest online virtual recycling centers in the united states. At recycle4charity, you are provided with free prepaid ups shipping boxes and labels.
You can send empty toner and ink cartridges in for free and the money from your cartridges goes to charity. Recycle4charity donates money to charities of their choosing.