- Before the COVID-19 pandemic, banks were offering decent Certificate of Deposit rates. It is always best to shop around for the banks with the highest interest rates by visiting their website or speaking with an agent. Recently, interest rates have usually varied from 1% to 4% with a minimum deposit that can range from $500 to $10,000. From personal experience, credit union often offer the highest rates, and at one time, a local credit union here in the Last Vegas Valley advertised these rates found below. The interest is compounded daily. - Withdrawals made after the first 7 days of the account opening are subject to an early withdrawal fee as defined below. Early withdrawal fees typically are calculated using simple interest, so although the interest you receive will be compounded, the penalty will be calculated as simple interest. - Here is a reminder of some formulas for calculating compound interest. You may need to review the interst section to properly utilize these formulas. A=P(1+nr)ntP=(1+nr)ntA Careful: To use these formulas you will need to enter your value for time t in years! (a) How much money will you earn if you let the account fully mature? Round your answer to the nearest cent. (b) Suppose you pull your money out of the account after 4 months. How much will you have eamed after penalties? Round your answer to the nearest cent. Carefull The account will only have accrued 4 months of interest instead of the entire 9 ! Question 3 0/2 pts 22 Details You invest $21000 in a 19 month CD account. (a) How much money will you earn if you let the account fully mature? Round your answer to the nearest cent. (b) Suppose you pull your money out of the account after 17 months. How much will you have earned after penalties? Round your answer to the nearest cent