The air pressure and temperature on the wing of an aircraft are 1.10 x 10⁵ N/m² and 320 K, respectively. What is the the specific weight (in lb/ft³) at that point?
a. 0.105 lb/ft³ c. 0.095 lb/ft³
b. 0.075 lb/ft³ d. 0.085 lb/ft³