There are a lot of factors. However, the calculator at the following website can be of some help:
http://www.humanservices.state.pa.us/CSWS/CSWS_controller.aspx?EO7@U@vArlmu4iKHz@_FLF3s_CAyCbqcA4w78YYO84d6cGrP_IbukDD9KXkXkUnXFrCL_7KQiJyEUvJR26rlAg--EdjsRVdS@cvL1n90Oog_cLOIxghKVN97bU7PYABUl2jCixCQsIR_
Answered on Nov 06th, 2013 at 3:22 PM