Include the cost of gravel. For a 4-inch slab, you'll need the same amount of gravel you calculated for concrete, as the gravel bed will also be 4 inches deep. Use the same calculation to arrive at cubic yards of gravel, then multiply by 1.5 tons per cubic yard to get the number of tons you will need.
Average Iceland Salaries. The average salary for iceland jobs is $54,000. Average iceland salaries can vary greatly due to company, location, industry, experience and benefits.This salary was calculated using the average salary for all jobs with the term iceland anywhere in the job listing.verage iceland salaries can vary greatly due to company, location, industry, experience and benefits. This salary was calculated using the average salary for all jobs with the term iceland anywhere in the job listing.
The economy of Iceland is small and subject to high volatility. In 2011, gross domestic product was US$ 12.3bn. With a population of 321,000, this is $38,000 per capita, based on purchasing power parity (PPP) estimates.he currency of Iceland is the krona (krÃ³na: plural), kronur krÃ³nur issued exclusively By The central Bank of iceland since'the bank s founding. In 1961 the exchange rate in 2008 was 78 kronur KrÃ³nur To the, united states dollar.down from 97. 43 in 2001