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}.

South Korean app developers and content providers are upping their paid subscription and service fees on Google's Play marketplace due to the heavy 15-30% commissions now required following Google's policy changes that force apps to use its own first-party billings and payments system.
moderately negative