Can someone plz answer this? I need an answer to at least two questions! Plz, look at the pic to see what you have to answer! Thx! I need answer ASAP and first one to answer will get a brainliest

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