Sunflower oil and water don't mix. Sunflower oil has a density of 0.919 g/mL at 20oC and water has a density of 0.998 g/mL at 20oC. A 1000 mL graduated cylinder with an inside diameter of 6.00 cm contains 225 g of water and 367 g of sunflower oil at 20oC. What is the height (in cm) of the top layer (not including the height of the lower layer) in the cylinder?