If a 25M _$\odot$ Main-Sequence Star Loses Mass at a Rate of 10

If a 25M _$\odot$ main-sequence star loses mass at a rate of 10 ^{- 6} M _$\odot$ /yr, then how much mass will it lose in its lifetime of 3 million years?

A) 3M _$\odot$
B) 5M _$\odot$
C) 8M _$\odot$
D) 10M _$\odot$
E) 12M _$\odot$