Which of the following is an example (or are examples) of a sunk cost in a capital budgeting analysis? (Read all alternatives prior to answering)

A. The amount paid for a building you currently own and intend to utilize for a project B. The current market value of a building you own and intend to utilize for a project C. The Increase in inventory required to begin a new project D. The price of a consultant's report that has not yet been paid, but will be paid regardless of whether the project is accepted or rejected E. Both of the other responses regarding the amount paid for a building you own AND the price of consultant's report that will be paid regardless, are examples of sunk costs