Stephanie started a sole proprietorship on January 1 two years ago. Stephanie needs to obtain a loan to expand her business. Stephanie originally invested $100,000 in cash. Her net income for year 1 was $46,100, and in year 2, her net income was $17,700. She withdrew $9,000 in year 1 and nothing in year 2. Determine the balance in the owner's equity account.

a) $100,000 b) $ 63,800 c) $163,800 d) $154,800