We have killed the cockroach. How does the property reply to the merchant?

1. First of all, the property has been disinfected and there are cockroaches. Please apologize to the merchant first, because the property disinfection work is not done well.

Secondly, you can reply that you will do a good job of disinfection as soon as possible, and you will certainly deal with this problem.

Finally, you can reply that we will investigate. If the situation does exist, we will deal with it as soon as possible.