All the tenders received may be rejected if
(i) The lowest tenderer has quoted a figure, which is higher than the funds available for the execution of the work
(ii) Radical changes in design are found necessary during the interval preceding the opening of the tenders
(iii) The minimum number of tenders to assure adequate competition has not been received.
(iv) There exists a well-grounded suspicious collusion between tenderers or some other form of the fraud has been detected.
Which of the following statements are correct?
1. (i) and (ii)
2. (iii) and (iv)
3. (i), (ii) and (iii)
4. (i), (ii), (iii) and (iv)