Cannabis is freely available in the Netherlands for sale in "coffee shops" in small quantities. The cost of five grammes, the maximum amount that can be legally purchased, is about £.50 ($19), enough to make about a dozen cigarettes.
5 grammes of cannabis would cost about $19
( z1 cost :ARG1 ( z2 cannabis :quant ( z3 mass-quantity :quant 5 :unit ( z4 gram ) ) ) :ARG2 ( z5 about :op ( z6 monetary-quantity :quant 19 :unit ( z7 dollar ) ) ) )