The average cost of living for an American [edit]. 1  $20,194 per person per year according to Bureau of Labor Statistics (value given divided by 2.5 average household size ('consumer unit') - [1].
Their annual salaries vary according to industry and place of employment. Concrete finishers made a mean annual $39,370, with the lowest-paid 10 percent earning $23,180 yearly, and the highest-paid 10 percent making $62,600 per year.
Concrete countertop cost: $75-$125 per square foot for most installations, though costs can be slightly higher for complex concrete designs Maintenance costs: Moderate to high How to save money on concrete countertops: Keep the design simple using rectangular sections and straight lines with a square or slightly rounded edge.