To provide a remuneration prediction calculating apparatus, a prediction server, a prediction program and a prediction method for making a reasonable compensation setting in a membership introduction sales organization.SOLUTION: The reward decision rule has [1] arrangement information mapped so that each member virtually is arranged in each node of the binary tree data structure and forms a filled layer, [2 ] With respect to the remuneration amount of each member, based on the arrangement information, the total number of purchases (S (i)) which is the total number of products purchased by members belonging to a lower hierarchy branching from the member and the total number A provisional remuneration amount (P (i)) which is discretized by the remuneration radix for each hierarchy for each hierarchical level on the basis of the maximum amount of limit (M) and a given remuneration radix (g) is calculated , The remuneration amount is calculated such that the provisional remuneration amount does not exceed the maximum limit amount.(FIG.
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