Reference for Bava Metzia 191:12

שאל שתי פרות לעשות בהן פרוטה מהו מי אמרינן זיל בתר שואל ומשאיל ואיכא או דלמא זיל בתר פרות וכל חדא וחדא ליכא ממונא

which [condition is fulfilled] here? Or perhaps, something of monetary value, by which he [the borrower] directly benefits, is required — which is not [the case here]? What if he borrows it for work worth less than a <i>perutah</i>: must there be monetary value, and there is some? Or perhaps less than a <i>perutah</i> is of no account? What if he borrows two cows for a perutah's value of work? Do we say, consider<span class="x" onmousemove="('comment',' Lit., 'go' according to'. ');">¹¹</span>

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