Переведите последующие предложения, обращая внимания на перевод модальных глаголов и глаголов

Переведите последующие предложения, обращая внимания на перевод модальных глаголов и глаголов to have и to be в модальном значении.

1. The solution should strike a balance between providing the lowest cost with most benefits white meeting of the business.
2. Vendor's solutions can also solve more than just the basic problem.
3. When a program uses or modifies record stored in a file, it often has to sort and re-sort the records in various ways.
4. An index must have, and may have other attributes.
5. Ships could communicate at long distances only by means of radio.