According to the current interest rate of the first suite of 6.55%, the commercial loan is10.5 million yuan, and the loan lasts for 20 years, with equal principal and interest. The monthly repayment is 1, 654.38+0.22.78 yuan, and the total interest is 1, 654.38+0.9467.09 yuan. The total repayment amount is: 269,467.09 yuan.

According to the current interest rate of 4.5% for the first suite, the provident fund loan is 654.38+0.5 million yuan. If the loan is 20 years, the principal and interest are equal, and the monthly repayment is 948.97 yuan, and the interest is 77,753.78 yuan, then the total repayment is 227,753.78 yuan.