How does a high rate of inflation affect money in all its different roles?

Question
1)How does a high rate of inflation affect money in all its different roles?
2)How might the payments system evolve over time to reduce transactions costs for society?
3)Why are security prices and interest rates inverse-
ly related?
4)What information do you need to be able to negotiate an automobile lease? Do you need any other equipment, such as a calculator, financial tables, or anything else?

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