Arthur is a 30 percent partner in the CAR Partnership. At the beginning of the tax year, Arthur's basis in the partnership interest was $60,000, including his share of partnership liabilities. During the current year, CAR reported net ordinary income of $40,000. In addition, CAR distributed $5,000 to each of the partners ($15,000 total). At the end of the year, Arthur's share of partnership liabilities increased by $20,000. Arthur's basis in the partnership interest at the end of the year is:a. $60,000.b. $120,000.c. $87,000.d. $75,000.e. None of these choices are correct.