QUESTION 15 Patty's Coffee Shop needs help defining the costs for her business She is thinking about enlarging her shop by renting out the second floor of the building Patty believes her sales would then increase substantially She wants to know which costs are relevant or irrelevant to making a decision on whether or not to expand, Identify each cost as relevant or irrelevant. Then identify the type of cost (sunk, fixed, variable, or opportunity) How would you classify the additional rent for the second floor space? O relevant and fixed cost relevant and sunk cost irrelevant and variable cost irrelevant and an opportunity cost