Dorothie paid the following amounts during the current year: Interest on her home mortgage (pre-12/16/17) $9,250 Service charges on her checking account 48 Credit card interest 168 Auto loan interest 675 Interest from a home equity line of credit (HELOC) 2,300 Interest from a loan used to purchase stock 1,600 Credit investigation fee for loan 75

Dorothie's residence has a fair market value of $250,000. The mortgage is secured by the home at the time of purchase and has a balance of $180,000. Dorothie used the same home to secure her HELOC with a balance of $50,000. Dorothie used the proceeds of her HELOC to pay for college and to buy a new car. Dorothie has $1,000 of net investment income. Compute Dorothie's interest deduction in the following scenarios:

a. Calculate Dorothie's interest deduction (on Schedule A) for 2019. $fill in the blank 1 10,250

b. Same as part a, and Dorothie used the HELOC proceeds to add a new bedroom to her home.

c. Same as part a, but Dorothie's home is valued at $1,200,000 and her mortgage balance is $900,000.

I need help with question B.