Average and Median Earnings. As of 2011, electricians earned an average of $52,910 per year, according to the Bureau of Labor Statistics. The average hourly pay for an electrician was estimated to be $25.44.The median annual income of electricians in the United States was $49,320, and the median-earning 50 percent of electricians made between $37,570 and $65,260 a year.s of 2011, the highest-paid electricians were those who taught at business schools. These workers earned an average of $79,250 a year. Most electricians worked as building equipment contractors, earning an average annual income of $52,600.
The contribution margin, sometimes used as a ratio, is the difference between a company's total sales revenue and variable costs. In other words, the contribution margin equals the amount that sales exceed variable costs. This is the sales amount that can be used to, or contributed to, pay off fixed costs.
One of the important yet relatively simple tools afforded by cost/volume/profit (CVP) analysis is known as contribution margin analysis. Your company's contribution margin is simply the percentage of each sales dollar that remains after the variable costs are subtracted.oe's Carpentry Shop's fixed costs are $28,000 and its variable costs per unit of production (bird call) or sales are $.60. Its sales revenue is $1.00 per bird call. Each bird call can contribute $.40 toward covering fixed costs.