During the current year, Mark purchases undeveloped land as an investment. Mark intends to rent the land as pastureland and hopefully sell it later for a profit. In the current year, Mark receives no rent but he does pay taxes of $2,800, mortgage interest of $900 and liability insurance of $500. How much of these expenses can Mark deduct (before any limitations) on his current tax return Select one: a. $1,400 b. $4,200 c. $3,700 d. $0