6. Interest rates fluctuate with the economy. In the 1980s, the highest CD interest a. If $1,000 is invested at 16% interest, compounded continuously, for 5 years, rate was over 16%. By 2017, the highest CD interest rates were approximately 2%. what is the ending balance? Round to the nearest cent. b. If $1,000 is invested at 2% interest, compounded continuously, for 5 what is the ending balance? Round to the nearest cent. c. What is the difference between the two ending balances?