A group of 150 lamps is being marked down from $60 each to $…

A group of 150 lamps is being marked down from $60 each to $49.99. At the first markdown, 60 are sold. The remaining lamps are marked to $39.99 and 30 are sold. Finally, the remaining lamps are reduced to $19.99 and another 30 are sold. What is the total markdown $ amount?

What is introspection? What are a few problems with the intr…

What is introspection? What are a few problems with the introspection method? Is the behaviorist approach the best way to study behavior? Explain why or why not.  Name and describe the stages of an Action Potential. (2+5+3+10)                                                          or What is the cognitive revolution? Describe in detail any three different factors that led to the cognitive revolution. What is the current approach to cognitive Psychology? (6+9 +5)