Heuristic offer mental shortcuts that save us time and effort when attempting to understand the world around us. In life we are faced with countless choices and decisions every day; some of these decisions are easy, while other decisions are harder and require more effortful thought. Name couple situations where heuristics are appropriate to use and other situations where heuristics should not be used. Make sure to give examples of availability and representative heuristics, include why you would use each in your own scenario.  Give detailed explanations for each answer. Cite Author and year.