Task: Question Answering
Input (English): Question: An investor can sell her MicroTron stock for 36$ per share and her Dynaco stock for 44$ per share, If she sells 300 shares altogether, some of each stock, at an average price per share of 40$, how many shares of Dynaco stock has she sold?

 Option A: 52

 Option B: 75

 Option C: 92

 Option D: 136

 Option E: 150
Output (English): Option E