(* Sample example *)

(*********************************)
structure
(*********************************)

q1:
	-> (a) q2;

q2:
	-> (1/2) q2;

(*********************************)
costs
(*********************************)

& a = 0 + 1/2 + 2/4 + 45/984
& Cq1a = 1
& Cq2a = 2/2
