The USMacroeconomic Experience of the Early to Mid-1980s Is an Example

The U.S.macroeconomic experience of the early to mid-1980s is an example of how

A) reducing inflation comes at the cost of a permanent reduction in real GDP.
B) reducing inflation comes at the cost of a temporary reduction in real GDP.
C) reducing inflation can be done costless by simply increasing the money growth rate.
D) increasing the money growth rate affects inflation alone,and not real GDP.