This is a candidate-led case. The interviewer's responsibility is to support the interviewee when necessary and provide information needed.
The first part is of a quantitative nature. A holistic overview should be preferred over a complete calculation.
The second part requires creativity and is more qualitative.
The bank "His Earlship Charles", a domestic retail and private bank is in a difficult situation. Profits have been declining over the past years due to the ongoing low interest rates set by the central bank. Additionally, the bank is suffering from a decreasing number of customers. The board of directors is worried about digitalization and wondering, whether the bank is adequately prepared for it.
Please analyze the situation of the client and develop means to sustainably increase profits. Consider the worries expressed by the board of directors.