The company's continued profits depend, more than the CEO would like to admit, on the continued breakthroughs in R&D.
The company's continued profits depend, more than the CEO would like to admit, in the continued breakthroughs in R&D.
The company's continued profits depend, more than the CEO would like to admit, on the continued breakthroughs in R&D.
The company's continued profits depend, more than the CEO would like to admit, in the continued breakthroughs in R&D.
The verb "depend" always idiomatically takes the preposition "on."