4. Подчеркните герундий. Переведите предложение.

Пример: He insisted on the decision being taken immediately. – Он настаивал на том, чтобы решение было немедленно принято.

1. I don't think this product is worth advertising.
2. This businessman succeeds in increasing his investments.
3. The owner went on reducing per unit production cost.
4. His having failed to manage the company surprised everybody.