During the current year, martin purchases undeveloped land as an investment. martin intends to rent the land as pastureland and hopefully sell it later for a profit. in the current year, martin 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 martin deduct (before any limitations) on his current tax return? a) $0b) $1,400c) $3,700d) $4,200