50 



THE AFFORESTATION OF SURPLUS LAND. 



means that all money is taken out of an investment which 

 gives 3 per cent. : 



Value of soil = 



3000+10 x (1-08) 50 + 76 x (l-03) w 

 + 220 x U-03) 30 + 270 x il'OS) 20 + 

 300 x (1-03) 10 - 90 x (1-03) 70 

 (l'U3) 7u - 1 



If this calculation is carried out, we obtain 



Value of soil = 576-s;. = <28 16s. 



4 

 03 



4-0 



5-5 



Per 



