A customer has been complaining about a lot of quality issues related to the number of defects in an operational application in production. The customer is also concerned that the cost of maintenance of the application has been rapidly increasing over the years. As the Quality Manager, you were asked to start a defect reduction programme to ensure that the customer satisfaction improves. Please identify any five key metrics that you will define for measurement of the effectiveness of the defect reduction programme, and specify the goals for the same. [5 marks]