Fresh Rainwater or Surface Water Contains Enough Tritium to Show

Fresh rainwater or surface water contains enough tritium to show 5.5 decompositions per minute per 100. g of water. Tritium has a half-life of 12.3 years. You are asked to check a vintage wine claimed to have been produced in 1946. How many decompositions per minute should you expect to observe in 100. g of that wine?

A) 1.7
B) 0.035
C) 0.17
D) 181
E) 0.35