You can three different ways:
1) By Cash - Place your payment in a COC offering envelope with your cash payment, and make sure to write your name and "COC Women's Retreat 2025." 
2) By Check - Place your check, payable to COC, in a COC offering envelope. Make sure to write your name and "COC Women's Retreat 2025" on the envelope and memo line of your check. 
3) Online - You can pay online at https://cobc.breezechms.com/give/online. In doing so, you can choose to pay the debit/card fee or ACH transaction fee.