T. Rowe Price New Income Fund 

The primary goal of this fund is to achieve the highest possible total return, generated through both income streams and capital appreciation. It is mandated to invest at least 80% of its net assets in various securities that produce income. These investments can encompass a wide array of options, such as debt instruments issued by the U.S. government and its agencies, different types of mortgage-backed and asset-backed securities (including those tied to commercial mortgages), corporate bonds, international bonds, and Treasury Inflation-Protected Securities (TIPS).