Sophie took a 10-year loan of 75000 on January 1, 2015 at an annual nominal interest rate of 69 compounded monthly. The loan was to be paid by level monthly payments at the end of each month with the first payment on January 31, 2015. Immediately after the regular monthly payment on December 31, 2018. Sophie made an extra payment of 16068.50 and refinanced the loan at a new annual nominal interest rate of 4.8% compounded monthly, and the remaining balance will be paid with monthly payments of 500 beginning January 31, 2019. Calculate the date of Sophie's last payment Select one: O A August 31, 2025 OB June 30, 2025 OC December 31, 2025 O D. December 31, 2024 O E January 31, 2025