A corporation has announced its intention to repurchase shares as a way to return capital to shareholders. As a candidate for a financial analyst position, you are tasked with assessing different methods of share repurchase. Understanding the methods of share repurchase is crucial because it can significantly impact the company's stock price and shareholder wealth.

Which of the following is a method of share repurchase that allows the company to immediately buy back shares from its shareholders at a fixed price?