As soon as economic prosperity, because it does not measure the potential revenue is money (very understandable) but at the Temple "at thoprayot" (Utility), which refers to the final satisfaction that each person receives.
Immediately because of economic wealth is not measured in monetary income. (And understood), but beyond that, "the utility" (Utility), which represents the final satisfaction of each received.
Immediately, because economic wealth is not a measure income money (as understand each other), but the measure. "อัตถ benefits." (Utility) which means satisfaction finally each received.