A small food company's busiest period is the eight weeks from mid-September, when it produces and packs goods such as gifts and hampers for Christmas. Employees' contracts of employment include a clause requiring them to work extra hours when the business requires. The company decided to formalise its overtime arrangements, which involved asking employees to choose between four and eight Saturday mornings they could work in October and November. While the rest of the workforce agreed to work some Saturdays, Mrs Edwards continuously refused to work on Saturday mornings, stating that she wants to spend time with her husband. She was dismissed following a number of complaints from colleagues about her behaviour, that she had mocked

those who had agreed to Saturday overtime. Mrs Edwards filed a case for unfair dismissal. How would the court view this case