( Direct answer without explanation )

Implementing the new Company Application is estimated to take 400 hours of effort. If the company have two full-time programmers to work on the application, each one will work 25 hours a week. Then the duration and elapsed time will be:

1. Duration = 40 days, elapsed time = 8 weeks 2. Duration = 56 days, elapsed time = 8 weeks 3. Duration = 20 days, elapsed time = 4 weeks 4. Duration = 28 days, elapsed time = 4 weeks