A Person Pours 330 G of Water at 45°C into an 855-G

A person pours 330 g of water at 45°C into an 855-g aluminum container with an initial temperature of 10°C. The specific heat of aluminum is 900 J/(kg∙K) and that of water is 4190 J/(kg∙K) . What is the final temperature of the system, assuming no heat is exchanged with the surroundings?

A) 28°C
B) 32°C
C) 31°C
D) 33°C
E) 35°C