. . . "The fund invests mainly in bonds that pay interest that is exempt from federal income tax and California personal income tax (but that may be subject to federal alternative minimum tax (AMT)), which are investment-grade in quality, and have intermediate- to long-term maturities (three years or longer).Growth of $10,000 (10 Years)Total Return4.94%Yield (Trailing 12 Mo.)3.52%Expense Ratio1.02%Front" .