Managing Finance

Consider the following statement:To maximize profit, you need to sell your output at the highest price. After what you have learned this week with regards to costing systems and pricing of products, analyse the validity of this statement. How should marginal costs be considered when determining prices? Give some finance examples too.
you can take idea from following journal too.
Pong, C. & Mitchell,F. (2006) ?Full costing versus variable costing: does the choice still matter?An empirical exploration of UK manufacturing companies 1988?2002?, The British Accounting Review,38 (2), pp. 131?148, Elsevier SD Freedom Collection [Online]. DOI: 10.1016/j.bar.2005.09.003 (Accessed 30 June 2009).
Note: The Answer should be of 500 words