The Western Asset Investment Grade Income Fund Inc (ticker: PAI) is a mutual fund that primarily invests in high-quality fixed income securities, such as corporate bonds and government bonds. The fund aims to provide investors with a steady stream of income through interest payments from these investments. It is managed by Western Asset Management Company, a global investment firm with a focus on fixed income securities. The fund may also invest in other income-producing assets, such as preferred stocks and mortgage-backed securities. Overall, the Western Asset Investment Grade Income Fund Inc seeks to provide investors with a stable and diversified source of income while maintaining a focus on high-quality investments.