Choose from options: Determine if the sentence is true based on the text below:
Koerber's actions were legal

Koerber admitted on the witness stand he did at times take money from new investors to pay interest to previous investors to make the enterprise seem profitable. But he said the money was backed completely by equity in real estate and asserted that meant he was using the equity to pay interest.
Choices:
[-] Yes;
[-] It's impossible to say;
[-] No;
It's impossible to say