A mercury manometer at 21.1(°C) reads 26.5 (cm). The local acceleration of gravity is 9.79(m)/(s)2. The barometer (brass scale) also at 21.1(°C) reads 74.19 (cm) of mercury . What is the absolute pressure being measured in (MPa)? [For the method of correcting the barometer to 0(°C), see “Handbook of Chemistry and Physics,” 52nd ed., pp. E32-E34, Chemical Rubber, Cleveland, 1971-1972.]