Cupcake15-I also have income funds and also get statements from the fund family regarding the earnings.
This is purely investment income. But a while back I had a REIT investment, which was a real estate investment trust fund.
I invested in an REIT index fund that was an income producing assets that reinvested 90% of the profits from the real estate holdings.
This income was also taxable as well because the 4% yield that I received at the time was part of the funds earnings.