Katherine invested $140.she earned a simple interest of 4% per year on the initial investment. if no money was added or removed from the investment what was the amount of interst katherine received at the end of two years?

Melissa is purchasing a $160,000 home and her bank is offering her a 30-year mortgage at a 4.9% interest rate. in order to lower her monthly payment, melissa will make a 20% down payment and will purchase 3 points. what will her monthly mortgage payment be? a. $645.98 b. $650.46 c. $662.93 d. $606.69