Answer:
$166,667; owner would have to reduce his listed price by $83,333.
Step-by-step explanation:
Given a net income of $20,000 and a cap rate of 12%, the value that the investor would be willing to pay
=

As such, the investor would not offer the owner the same price the owner has listed the property for. He would offer a lower amount of $166,667.
And the owner would have to reduce his listed price by $250,000 - $166,667 = $83,333 to meet the investor's request.