Wanda Ogilvie v. City and County of San Francisco, (2009) 74 Cal. Comp. Cases 248 (February 3, 2009) has established a method by which the DFEC Table contained in the 2005 Schedule for Rating Permanent Disabilities can be rebutted. If you would like a concise understanding of how the math is calculated, then please download the paper worksheet where you can follow instructions taken word for word from the Opinion. For a more comprehensive understanding you may download the entire case. Empirical Wage Information should be found from resources on our Wage Data page. To just quickly apply the math to a particular case use the following calculator to compute the DFEC based upn the methods outlined in this case.