6) 20 points The national average cost in terms of salaries and benefits per square foot per year is $318.2 The average cost of the rent or mortgage is around $20. The energy costs for the same square foot is $2.25. So the people are more Than times the rent, and more than a times the cost of the energy. Which makes more sense? To make an investment in the indoor environment, especially good breathable air, or have a small savings in energy? 6.1 6.2 Small changes in performance by people have a big return on investment, Benefits of better indoor environmental quality include: Reduced Reduced Reduced Reduced Reduced Increased Increased 6) 20 points The national average cost in terms of salaries and benefits per square foot per year is $318.2 The average cost of the rent or mortgage is around $20. The energy costs for the same square foot is $2.25. So the people are more Than times the rent, and more than a times the cost of the energy. Which makes more sense? To make an investment in the indoor environment, especially good breathable air, or have a small savings in energy? 6.1 6.2 Small changes in performance by people have a big return on investment, Benefits of better indoor environmental quality include: Reduced Reduced Reduced Reduced Reduced Increased Increased