Hello, different childcare centres have different rates, so it is best to check with the childcare centre.
As for working mum subsidy, you can get SGD600 for infant care and SGD300 for child care.
You can refer to this link to calculate how much subsidy you're entitled to (includes low income subsidy)
https://www.childcarelink.gov.sg/ccls/home/Subsidy_Calculator.jsp