Close Process - Create Income Statement Closing Journals

Currently, our company is doing manual entries to recognize the profit of the month, we want to use the process that oracle provides, but we have several questions and I am detailing below:

1.- This program can be executed in any period of a started year? for example, our corporate calendar is from April to march, and want to execute this concurrent on Nov-21. In our test instance, we made the tests with jun-21 and we noted that have created a journal with the recognition of apr-21 and may-21, however, the net results balance with the current month.

2.- We also notice that the concurrent will generate journals according to the entered currency of the PL accounts. Consequently, we have a doubt about what exchange rate uses for this foreign journals? since in the GL window we only see rate type user and an xr as 1