Please help with both, Im so confused

2. Leah is financing $340,000 to purchase a house. How much money will she save over the life of a 30-year, fixed-rate loan by buying 3 points with a rte of 6.475% instead of not buying points with a rate of 6.85%? $30,398.40 $3.03 9.84 $13,239.84 0S20, I 98.40 3, Lenny and Lisa have obtained a 30-year, fixed rate mortgage for $675,250 with a 7.25% interest rate. They purchased 3 points and their rate is now 6.875%. Factoring in the cost of points, when is the break-even point on their mortgage? O3 years, 4 months O4 years, 5 months O8 years, 7 months O9 years, II months