Brian Porter's net worth is $120,000, excluding his home. His liabilities of $54,000 include all of his credit card balances and the balance due on his auto loan and home improvement loan. His townhouse has a market value of $220,000 and he owes $190,000 to his mortgage company. What is Brian's debt-to-equity ratio?
a. 0.65
b. 0.35
c. 0.45
d. 0.74
e. 0.28