Niaz Mohammad Sahil is conducting a survey on customer satisfaction with biscuits for his class project. He invites participants to complete an attached questionnaire, which will take approximately 5 minutes. The questionnaire consists of 12 multiple choice questions regarding demographics, biscuit preferences, spending habits, and awareness of digestive biscuits. All responses will be kept confidential and anonymous. Participants are asked to return the completed questionnaire within 4 days via email.