Meaning of そんとく in Japanese

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Definition of そんとく

そんとく(sontoku) 【損得】

(n) loss and gain; advantage and disadvantage
損得なしにしよう。
Let's make it a fair trade.

そんとくかんじょう(sontokukanjou) 【損得勘定】

(n) profit-and-loss arithmetic; calculating profit and loss; mercenary point of view

そんとくなし(sontokunashi) 【損得なし ·損得無し】