An apartment complex is valued at $3 million. a hedge fund is looking to buy the property with a $500,000 down payment and a 10 year loan with an annual rate of interest 3.5%. Calculate the monthly payments. After making the monthly payments for 3 years, the fund decides to lay an extra $1,000 a month in order to pay off the loan early, how many months will it take to pay off the loan early? How much does the fund save by doing this?