Find Pressure Altitude at Cruising Altitude Barometric Altimeter setting = 30.42 in.Hg Cruising Indicated Altitude = 20,500 ft Outside Air Temperature at altitude = -22.32 deg F, Atmosphere Table 2.1

a. 20,500 ft

b. 21,000 ft

c. 20,450 ft

d. 20,000 ft