Carlos sold a parcel of land that he had owned for three years for $4,000 cash, and the buyer assumed a note secured by the property in the amount of $6,000. Carlos originally paid $7,500 for the land. What is his gain (or loss) realized on the sale? $10,000 $6,000 $2,500 $ (3,500) Jaya Singh received a salary from IBM in 2015 of $50,000. At the same time, in 2015, Singh earned $1,000,000 as a self-employed financial advisor. Singh's total self-employed Medicare Tax is: $26,781.50 + $7,650. $29,000.00 + $9,000. $26,781.50 + $9,000. $29,000.00 + $7,650