Question 2 of 30. Marty is skilled at finding and purchasing property at sub-market prices. He rarely owns these properties for more than a few months, as he prefers to make a few upgrades and then sell them at a profit. Occasionally, Marty buys a property with a tenant in residence, from whom he receives rent payments. How does Marty report this rental income on his tax return? Not-for-profit income, reported on Schedule 1 (Form 1040), line 21. O Business earned income, reported on Schedule C. O Investment income, reported on Schedule D. O Passive income, reported on Schedule E