2500 G of Hot Coffee at 95

250.0 g of hot coffee at 95.0 °C are placed in a 0.2000 kg mug at 20.0 °C.The specific heat of the coffee is 4.00 J/g °C,while that of the mug is 0.80 J/g °C.Assuming no heat is lost to the surroundings,what is the final temperature of the system: mug + coffee?

A) 61.7 °C
B) 117 °C
C) 76.0 °C
D) 57.5 °C
E) 84.7 °C