Ngoc is a manager at a resort that caters to families with young children. The staff have been trained to provide top-tier customer service while also ensuring that young children remain safe and abide by the resort's rules. Ngoc received some complaints that one of her employees was allowing children to ignore the rules about running in the pool area. Employees are evaluated on their overall performance based on a number of factors, including customer feedback, both good and bad. Ngoc schedules a meeting with this particular employee to talk about the recent feedback in the hopes that she will not receive any more complaints. Which part of the controlling process is Ngoc performing? Establishing clear performance standards Taking corrective action Measuring expected performance Measuring actual performance