Tell me in breif

Sofia is the project manager at an aviation company and working on the project to design a drone that can be used for transporting packages. She is in the process of collecting requirements. Some of the requirements are best if received from existing customers. She asks you if she should send a questionnaire to the current customer base. 1. In a few sentences, ask her some questions that will help you answer if a questionnaire is the best way to get the information she needs. 2. What guidance would you give her if she is sending a questionnaire