In an experiment to determine the percentage of air in a soil sample, the following readings were recorded:

volume of water in measuring cylinder = 500 cm³

volume of soil added to water = 350 cm³

volume of water and soil after stirring = 800 cm³

the percentage of air in the soil sample is

• A.6.25%
• B.10.36%
• C.14.28%
• D.43.28%
• E.