Extracted text: 4. In Figure below, sensor A reads 1.5 kPa (gage). All fluids are at 20°C. Determine the elevations Z in meters of the liquid levels in the open piezometer tubes B and C (Yair 12 N/m?, Yasoline x 6670 N/m2, Ygiycerin * 12360 N/m?) Air Gasoline Glyoerin