The table below records percentage interest rates and inflation rates for the United States in some recent years. Complete this table.
Inflation and Interest in the United States, 1965-1985

(a) People complained a great deal about the high interest rates in the late 70s. In fact, interest rates had never reached such heights in modern times. Explain why such complaints are misleading.
(b) If you gave up a unit of consumption goods at the beginning of 1985 and saved your money at interest, you could use the proceeds of your saving to buy ______ units of consumption goods at the beginning of 1986. If you gave up a unit of consumption goods at the beginning of 1978 and saved your money at interest, you would be able to use the proceeds of your saving to buy ______ units of consumption goods at the beginning of 1979.

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196519701975 CPI, Start of Year 38.3 47.66.3 CPI, End of Year 39.4 49.2 69.1 4.2 5.8 1978 79.2 88.1 11.3 7.2 1980 100.0 110.4 10.4 11.6 3.7 1.095.07 1985 130.0 133 2.3 7.5 ear % Inflation Rate Nominal Int. Rate Real In. Rate 4.3 6.4 2.1 2.9 4.0