人們的生存倚賴糧食，糧食是最基本的資源，有奈選擇以米作為基本單位。

基礎定義：100粒精米 = 2公克米 = 1有奈物資點

出發點以東亞地區為基準，包含適當的包裝與運費，根據市場情況換算對應各式通用貨幣的價格。

People's survival depends on food. Food is the most basic resource. Arina Organization chose rice as the basic unit.

Basic definition: 100 grains of polished rice = 2 grams of rice = 1 Arina Supply Point.

The starting point is based on the East Asian region, including appropriate packaging and transport costs. Prices of the Arina supply points corresponding to various common currencies are converted according to market conditions.

目前匯率(Exchange Rate)：1 美元(1 USD) = 有奈物資點(Arina Supply Point)