If 4000 dollars is invested in a bank account at an interest rate of 8 per cent per year,

Find the amount in the bank after 6 years if interest is compounded annually:  

Find the amount in the bank after 6 years if interest is compounded quarterly:  

Find the amount in the bank after 6 years if interest is compounded monthly:  

Finally, find the amount in the bank after 6 years if interest is compounded continuously: