Principle-Based Ethics

Read the background material and Futrelle, D. (2012). Post-Sandy price gouging: Economically sound, ethically dubious. Time (November 2). Retrieved March 31, 2014, from http://business.time.com/2012/11/02/post-sandy-price-gouging-economically-sound-ethically-dubious/

What ethical principles support, respectively, raising prices in the wake of natural disasters and opposition to such increases?
Which approach would you advise a convenience store owner to follow in an area hit by a tornado or hurricane?
Write a 2- to 3-page paper (not counting cover and reference pages) explaining your analysis and advice. Reference any sources of information about normative ethics principles and give relevant examples