allerySupply is correctly classified as which type of economic variable?
AA stock measured at a single instant of time
BA flow measured per unit of time
CA fixed reserve held aside by the seller
DA capital asset owned by the producer
Answer & Solution
Correct answer: B. A flow measured per unit of time
1. Supply is identified for a specified time period.
2. The quantity supplied is 'so much' per day, per week, or per year.
3. A quantity expressed per unit of time is a flow, not a stock.
4. Hence supply is a flow concept.
_Source: ICAI BoS CA Foundation Paper 4 Business Economics, Ch 2 Unit III "Supply", p.0_
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