If 50 G of Material at 100°C Is Mixed with 100

If 50 g of material at 100°C is mixed with 100 g of water at 0°C, the final temperature is 40°C. What is the specific heat of the material?

A) 7.5 kcal/kg . °C
B) 0.75 kcal/kg . °C
C) 1.33 kcal/kg . °C
D) 0.33 kcal/kg . °C