Susan is a general partner in Sans Partnership. She just received her Schedule K-1 (Form 1065) from Sans, which showed her share of the partnership's income (loss), deductions, and credits. Susan's adjusted basis at the beginning of the current tax year was $12,000, and her share of partnership liabilities increased by $1,000 during the year. Her share of items was reported as follows: $15,000 in ordinary business loss, $500 in tax-exempt income, $4,000 of cash withdrawal, $450 in charitable contributions, $800 in the Section 179 expense deduction, and $200 in investment expenses. What is Susan's adjusted basis in the partnership before considering her share of the partnership loss for the current year?

a) $6,050 b) $8,050 c) $8,950 d) $8,700