According to Appendix A of IFRS 15, what is a performance obligation?Your answerAAny task the entity performs to carry out the contract, including internal administrative tasks.BThe customer's obligation to pay the agreed price.CA promise to transfer to the customer a distinct good or service, or a series of distinct goods or services that are substantially the same and transferred with the same pattern.DThe whole contract, which always constitutes a single obligation.SubmitHint