Please provide detailed explanation to each question.

Jiambalvo Case 1-2 and Jiambalvo Case 2-1

Jiambalvo Case 1-2:Using the concept of incremental analysis, expand on Nick's response of, "Why do you want to know?" What cost information would be relevant to a decision to drop the product that would not be relevant to a decision to increase a production run by 100 units?

Jiambalvo Case 2-1:Are the proposed actions of Ed and Robin ethical? What is the likely effect of their actions on shareholder value?