as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
is it legal to charge interest on interest?
user
yes it most cases it is legal. plus depending on how you look at it, the last payment of 1000 can be principal paid and interest was paid in initial installments.
assistant