Which of the following is true with regards to passing-off?
◦ In a passing-off action, proof of trademark registration must be established.
◦ Passing-off requires some proof of actual confusion.
◦ The law concerning passing-off is founded in contract law.
◦ The law of passing-off does not require proof of any intent to deceive or misrepresent.
◦ In a passing-off action, the onus is on the plaintiff to prove that actual monetary damages were caused.