You are considering options from two roofing contractors to fix your roof. Option A will last you 10 years and cost $50,300 whereas Option B will last 15 years and cost $68,200. If you are planning to take a home equity loan from your bank, at what interest rate would you be indifferent to the two options. (Hint: Use Goal Seek)

3.82%

4.55%

5.15%

6.72%