Which two of the following statements are CORRECT with regards to test automation on agile projects? i) Every test developed for past iterations is kept and executed as part of a regression suite for each new release of code. ii) It would be very difficult to ensure high quality in an agile project without test automation. iii) Automated acceptance tests are run regularly as part of the continuous integration full system build. iv) Automated regression suites are only run for the final release of code. v) In agile projects, the results from automated acceptance tests provide feedback on the overall product quality.