What is interest that is computed on principal and on any interest earned that has not been paid or withdrawn? a) simple interestb) compound interestc) complex interestd) amortized interest

B. Compound interest

Explanation:

Compound interest adds the amount of interest earned back into the principal, so that you have a new higher balance and you start earning interest on the new amount. The interest compounds (aka adds to/combines) with the initial balance.

i would say a penny hope it you