[230000*0.42075%*(1+0.0.42075%)^120]/[(1+0.42075%)^120-1]=?

[230000*0.42075%*(1+0.0.42075%)^120]/[(1+0.42075%)^120-1]
=[230000*0.42075%*(1+0.0.42075%)^120]/[(1+0.42075%)^120/(1+0.42075%)]
=230000*0.42075%*(1+0.42075%)
=971.7967029375