<Tr> <Td> 63--67 </Td> <Td> 80 </Td> <Td> 65 </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> 68--72 </Td> <Td> 85 </Td> <Td> 70 </Td> <Td> </Td> <Td> II </Td> </Tr> <Tr> <Td> 73--77 </Td> <Td> 90 </Td> <Td> 75 </Td> <Td> </Td> <Td> III </Td> </Tr> <Tr> <Td> 78--82 </Td> <Td> 95 </Td> <Td> 80 </Td> <Td> </Td> <Td> IV, IIII </Td> </Tr>

How big is a c cup in inches