Can I please get some help with this question ? Step by step so I can understand better.

Consider the following pair of mortgage loan options for a $150, 000 mortgage. Which mortgage loan has the larger total cost (closing costs + the amount paid for points + total cost of interest)? By how much? Mortgage A: 30 -year fixed at 9.25 % with closing costs of $1400 and 1 point. Mortgage B: 30 -year fixed at 8.25 % with closing costs of $1400 and 3 points. Choose the correct answer below, and fill in the answer box to complete your choice.

A. Mortgage A has a larger total cost than mortgage B by $ .

B. Mortgage B has a larger total cost than mortgage A by $ . (Round to the nearest dollar as needed.)

Thank you!