The vapour pressure of a solid M varies with temperature T in K, as
In p(atm) = $$\frac{{ - 33,200}}{T}$$ - 0.85 In T + 21.46
The vapour pressure of liquid M varies with temperature T, in K, as
In p (atm) $$\frac{{ - 33,200}}{T}$$ = 0.85 In T + 20.31
The temperature of the triple point of M, in K is

A. 57

B. 96

C. 579

D. 957

Answer: Option D