<Tr> <Td> 04 - Jan - 01 </Td> <Td> 9.00% </Td> </Tr> <Tr> <Td> 01 - Feb - 01 </Td> <Td> 8.50% </Td> </Tr> <Tr> <Td> 21 - Mar - 01 </Td> <Td> 8.00% </Td> </Tr> <Tr> <Td> 19 - Apr - 01 </Td> <Td> 7.50% </Td> </Tr>

When was the last time the prime rate changed