i urgently need help with this question

Andrea has a mortgage of $850,000 through the Tangerine Bank for a vacation property. The mortgage is repaid by end of month payments with an interest rate of 5.4% compounded monthly for a term of 3 years, amortized over 15 years. At the end of the 3-year term, Andrea will renew the mortgage for another 3 -year term at a new, lower interest rate of 5.2% compounded monthly. Round ALL answers to two decimal places if necessary. 1) What are the end of month payments before the renewal of tho mantanana? 2) What is the balance when the mortgage is renewed