An invEstor wAnts to sEll somE oF thE stoCk thAt hE owns in miCro tron AnDDynACoCorporAtions. hE CAn sEll miCro tron stoCk For $ 36 pEr shArE, AnD hE CAn sEllDynACo stoCk For $ 52 pEr shArE. iF hE sElls 300 shArEs AltogEthEr At An AvErAgE priCE pEr shArE oF $40, how mAny shArEs oFDynACo stoCk hAs hE solD
A、52 B、75 C、92
D、136 E、184