As a benchmark, one inch of solid wood has an R-value of 1. In comparison, an inch of blown fiberglass insulation has an R-value of 3.1 - 3.4 and an inch of blown cellulose in an attic has an R-value of 3.2 - 3.7. Along with knowing the R-value of a particular insulation, it is also important to calculate the R-value of a total system.
54 MARTA Employee Salaries. MARTA employees earn $41,500 annually on average, or $20 per hour, which is 38% lower than the national salary average of $61,000 per year. According to our data, the highest paying job at MARTA is an Electronics Technician at $41,000 annually while the lowest paying job at MARTA is a Bus Operator at $32,000 annually. Advertisement.
The average annual salary for a cabdriver in the United States is $22,820, according to the U.S. Bureau of Labor Statistics. Uber declined to say how much its average Washington area uberX driver makes, but the company has said its drivers make as much as $90,000 a year in the New York market and $74,000 in San Francisco.