So we.ve continue :
a x
b x x c.
a = open market´s
b = cost of money x tax´s (-) .
c = cost of transport´s. in the way than whenever
h2=c2+c2
a 2 = b2 + c2. -In the way than ever could comparison the two figures in the same country sure than so well´s for geometry economie. (east of Spain ).