QUESTION $4$ Tin Mag, the project manager of Tetisol, begins to work on a software project. He decides to use programming teams. It will take about $25$ days to write, test and debug the Keep Fit app for the mobile device. To write, test and debug the new Soul and Body Health commiunications it will take about $30$ days. Then they will need to test that the Keep Fit app can communicate with the Soul and Body Health software. This should take about five days. The next step will be to demonstrate the entire system to Janette and Patel, and to make modifications. This should take another five days. Then they will need to install the new software on the server at the clinic$/$and test it using the