Harris Machinery received a demand loan of $180,000. It repaid $70,000 at the end of the first year, $95,000 at the end of the second year, and the balance at the end of the third year. The interest rate charged on the loan was 4.50% compounded semi-annually during the first year, 4.25% compounded quarterly during the second year, and 3.75% compounded monthly during the third year. What was the balance of the loan at the end of the second year?