Decide the appropriate variables, keys and ranges to be used in the system. Justify.

b$)$ Identify the appropriate data structure to represent this this problem.

c$)$ The operations that fraud detection system should support.

d$)$ Algorithms for the operations that your system should support. Also, justify the choice of

algorithms.

e$)$ Discuss the scalability of the system and propose potential improvements to handle larger

fraud detection capacities and increased fraudulent activities.

f$)$ Reflect on the challenges and limitations of the design and propose additional features or

enhancements that could further improve the fraud detection system.