Final answer:
In-depth interviews are important for collecting information regarding a monetary value because they allow researchers to gather qualitative data on subjective opinions and beliefs.
Step-by-step explanation:
In-depth interviews are important for collecting information regarding a monetary value because they allow researchers to gather qualitative data on subjective opinions and beliefs. In interviews, participants are free to respond to questions in their own words, providing insights into their thoughts and perspectives that cannot be obtained through quantitative methods alone.