Inflation is the fluctuation or the gap between the changes in the prices of goods and the unit value of the domestic currency. In the context of economics, the inflation rate reflects the increase or decrease in the purchasing power of the consumer of the goods.
The correct option is D. Can't figure because we don't know the inflation rate.
The future cost of the goods is based on the current cost and the number of years require for the inflation rate due to which the future cost needs to be determined.
The inflation rate is the percentage rate for the changes in the unit value of the currency over a period of time.
For determining the per-unit cost of goods based on inflation we need to know the inflation rate without the inflation rate the future cost of the goods cannot be determined.
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