Brian Adams disposed of certain personal properties during the 2020 calendar year:

ProceedsCostGain/(Loss)

Toyota Corolla$6,000$10,500$(4,500)

Stamp collection$4,500$ 800$ 3,700

Painting$900$ 500$400

What is that amount of income/(loss) that must be included in Brian 's 2020 personal tax return?

Group of answer choices:

$1,850

$1,750

($400)

$4,100