The fund will invest at least 80% of its assets in bonds. Under normal conditions, at least 70% of its total assets must be invested in securities that, at the time of purchase, are rated investment grade. The fund’s investments in below investment grade securities or the unrated equivalent including below investment grade foreign securities will not, under normal circumstances, exceed more than 30% of the fund’s total assets. Its average weighted maturity will ordinarily range between five and twenty years.