According to the ordinary tax credit method, calculate the corporate income tax paid in residence State A by X Corp. given the information below.

-X Corp. is located in State A and also has income sourced from its business in State B.

- Residence State is State A, corporate income tax rate in State A is 25%

- Source State is State B. The tax rate in State B is 20%

- X Corp. has income of 10,000 USD in State A, and 3.000 USD in State B.