Sun, Penumbra, and Corona Consultants, LLP has been contacted by a client in Paris that requested immediate help identifying a fix for a problem in customer data privacy. Which of the following best describes how the costs for the following activity relate to the decision of whether or not to accept this consulting engagement? Eight employees will each need to spend five nights in Paris. The hotel bill has been negotiated in advance for 6,000. o Irrelevant sunk cost O Relevant outlay cost o Irrelevant outlay cost O Relevant opportunity cost