Wants a one-bedroom townhouse in a trendy new development downtown; the average cost is $145,000
Is preapproved for a 4.38% interest rate on a 30-year fixed mortgage
Has saved $15,000 for a down payment
If Tremaine waited until he had $30,000 saved for a down payment, how much money did he save by paying an extra $15,000 upfront? (total cost of home)