What sentence from the passage shows the author's bias?
O By federal law, the USPS must provide mail service to all Americans regardless of cost or
location. (paragraph 3)
O For example, in 2012, each of the 80 billion pieces of advertising brought 21 cents in revenue,
compared to 42 cents for first-class mail. (paragraph 8)
O In an effort to solve the postal service's problems, the government has conducted numerous
studies. (paragraph 9)
O As you drop the letter into the mailbox, you'll not only surprise a friend or relative, you'll also
help keep an American tradition alive. (paragraph 11)
