Apart from the extent of the re-engineering, the principal factors that affect re-engineering costs are: The quality of the software to be re-engineered. The tool support available for re-engineering. The extent of data conversion required. The availability of expert staff. Select one: a. Only 1, 2 are Correct b. Only 2, 3, 4 are Correct c. All 1, 2, 3, 4 are Correct d. All 1, 2, 3, 4 are Incorrect

C. All of 1, 2, 3, 4 are correct

Explanation:

Software reengineering can be defined as examining and altering a system so as to reconstitute it to be in a newer form.

The cost factors which are to be considered here are:

1. Quality of this software which is going to be reengineered.

2. Consideration on whether expert staffs are available

3. Tool support availability

4. The extent of the required data conversion.

Therefore all the options are correct

answer; i believe the correct answer is energy star;

answer; synthetic production system;