Smith received a one-third interest of a partnership by contributing $3,000 in cash, land, and a computer. The land has a fair market value of $5,000, and a cost of $2,000 and it is subject to a $900 mortgage. The computer has a fair market value of $2,000 and had an original cost of $2,500 and accumulated depreciation of $1,500. As a condition of the contribution, Smith paid off the mortgage on the land. Which of the following amounts represents Smith's basis in the partnership? A. $3,000 B. $5,400 C. $6,000 D. $7,500