Answer:
E. custom-made solution.
Explanation:
custom-made solution can as well be regarded as "Tailor made" solution, it is kind of solution devices to meet a particular or a specific problem, it is devices to meet a direct requirement.
custom-made solution has a real practical application. There some computer software usually made to be a custom made solution for specific problem. It should be noted that When a solution is specifically designed for a particular problem or set of problems, it is custom-made solution.
