Variable costs are calculated via the input and output <strong>of</strong> the system as well as tacking on additional overhead such as tax on revenue and 325 day operation.
References Dow Corning. (2010, November 16). Dow Corning(R) Q1-2333 Chemical Grade Trichlorosilane. Retrieved Febuary 15, 2011, from Dow Corning: http://www3.dowcorning.com/DataFiles/090007b2815f0cc8.pdf Fisher Scientific. (2005, October 3). Hydrochloric Acid, 1N Standard Solution MSDS. Retrieved Febuary 15, 2011, from Fisher Scientific: https://fscimage.fishersci.com/msds/95551.htm Forbes. (2011, Febuary 9). <strong>Polysilicon</strong> price pop casts shadow on sunpowers pr<strong>of</strong>its. Retrieved Febuary 15, 2011, from Forbes: http://blogs.forbes.com/greatspeculations/2011/02/09/polysilicon-price-pop-casts-shadowon-sunpowers-pr<strong>of</strong>its/ Gunther, E. A. (2010, January 15). AE <strong>Polysilicon</strong> scores $4.85 US Manufacturing Tax Credit. Retrieved Febuary 15, 2011, from Edgar A. Gunther: http://guntherportfolio.com/2010/01/ae-polysilicon-scores-44-85-million-us-manufacturingtax-credit/ Gunther, E. A. (2009, August 3). Solar <strong>Polysilicon</strong> Oversupply until 2013? Retrieved Febuary 15, 2011, from Gunther Porfolio: http://guntherportfolio.com/2009/08/solarpolysilicon-oversupply-until-2013/ Hazeltine, B., Fero, C., Wenjun, Q., & Inc., G. S. (2010, June 30). Advancements in the Commercial <strong>Production</strong> <strong>of</strong> <strong>Polysilicon</strong>, Retrieved Febuary 22, 2011, from Renewable Energy World: http://www.renewableenergyworld.com/rea/news/article/2010/06/advancements-in-thecommercial-production-<strong>of</strong>-polysilicon Hummel Croton Inc. (2007, April 24). Silicon Powder MSDS. Retrieved Febuary 15, 2011, from Hydrazin: http://www.hydrazin.com/msds/msdsp/si_p.html Myers, S., & Yuan, L. (2011), China's Solar Energy Inudstry. Retrieved Febuary 15, 2011, from altenergymag.com: http://www.altenergymag.com/emagazine.php?issue_number=07.06.01&article=china National Renewable Energy Laboratory. (n.d.). Energy Technology Cost and Performance Data. PVinsights. (2011, Febuary 9). PVinsights. Retrieved Febuary 15, 2911, from http://pvinsights.com/ Rao, H. (2008, September 8). <strong>Polysilicon</strong> prices go through the ro<strong>of</strong>, Retrieved Febuary 15, 2011, from Project Monitor: http://www.projectsmonitor.com/detailnews.asp?newsid=16898