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We use a time-series graph to show O A. the downward trend in inflation in industrial countries over the last 25 years OB. the relationship between tuition at a university and the enrollment OC. the relationship between the number of children in a family and the weekly grocery bill OD. the distribution of income among various age groups

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The correct option is A. the downward trend in inflation in industrial countries over the last 25 years.

Inflation is an ascent in costs, which can be deciphered as the decay of buying control over the long haul. The rate at which buying power drops can be reflected in the normal cost increment of a crate of chosen labor and products over some timeframe. The ascent in costs, which is many times communicated as a rate, implies that a unit of cash successfully purchases short of what it did in earlier periods. Inflation can be stood out from collapse, which happens when costs decline and buying power increments.

An expansion in the supply of cash is the base of Inflation, however this can work out through various components in the economy. A country's cash supply can be expanded by the money related specialists by:

  • Printing and offering more cash to residents
  • Lawfully cheapening (decreasing the worth of) the legitimate delicate money
  • Advancing new cash into reality as save account credits through the financial framework by buying government securities from banks on the optional market (the most well-known strategy)

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