Matthew rode on feeling a little more at peace with himself. He skirted the spruce plantation and supposed that at some point he should tell Sara about it. He could imagine that she might be interested in its money-making propensity at the end of the year.

Based on the paragraph above can we conclude that "Sara might be interested in its money-making propensity at the end of the year"?

Possible answers: a). Yes. b). No. c). It's impossible to say.
a).