During the current year, Thomas, who is single, received the following items: a) Cash dividends on US Steel stock, $75. b) Interest on corporate bonds, $125 c) Interest on City of Denver bonds, $300. d) Dividends from a Canadian corporation, $90. e) "Dividends" on his savings account at the credit union, $220. f) "Dividends" on his life insurance policy, $300. The insurer was a "mutual" company, and the dividend represented a return of part of the premiums paid. How much gross income does Thomas recognize because of these items?