What is the sentiment of this news? Please choose an answer from {strong negative/moderately negative/mildly negative/neutral/mildly positive/moderately positive/strong positive}.

Amazon.com Inc (NASDAQ:AMZN) plans to slap a 5% surcharge on some third-party sellers to offset rising fuel costs.  The online retailing giant will impose the charge on merchants to warehouse and ship their products in the United States.
mildly negative