Answer: cost ratio
Explanation: The terms of trade must be higher (graphically to the right) of a nation's own production cost ratio. The production cost ratio allows small-scale manufacturers to determine their cost more accurately as well as control known cost parameters and is a method that can be adapted and applied to any business.
In a multi-product manufacturing firm, the production cost ratio is necessary for accurate compilation and allocation of production costs to each category of product especially when both the Production Time and the Production Runs are not the same and/or when fixed labor, overhead and other costs are drawn from the same pool. When the ratio is not applied results in a skewed allocation of production costs. This in turn can affect the business as it becomes difficult to ascertain the products whose production are more profitable to the business.
They use The Economic Analysis Method to assign an monetary value, because it is often difficult to assign a value. This approach ( The Economic Analysis Method) states that, the patents value is the replacement cost, or at least the right amount to replace the protection right on the invention.
I hope this answered your question! :^)
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