MILL, James. Elements of Political Economy. London, 1 844. — 125, 131, 144.

»/, 140 20 20 B 60+ 60=120 12+15 =27 14+17*/,=31Vt 16+20 =36 6 216 96 4X24 240 10x24 B) An inferior soil types A, B, C, D. Let us assume a working period of production set in motion six times as much.