For a System at Constant Pressure,12,400 Calories of Heat Are

For a system at constant pressure,12,400 calories of heat are released.This quantity of heat is equivalent to

A) 1) 92 × 10^-5 J.
B) 2) 96 × 10³ J.
C) 1) 24 × 10⁴ J.
D) 5) 19 × 10⁴ J.