A survey was conducted among 300 room air conditioner owners. It was found that 125 people had carrier aircon, 145 people had voltas and 90 people had fedders lloyd air conditioners with them. Thirty two of them had exactly two out of the three brands of air conditioners.

If 10 of the owners having only carrier aircon now buy voltas also; and 5 of the owners who had only voltas and fedders lloyd now buy carrier aircon also, then how many have at least two out of the three brands of air conditioners?

A. 19

B. 61

C. 68

D. 56