Petra's basis was $50,000 in the PAM Partnership interest just before Petra received a proportionate nonliquidating distribution consisting of land held for investment (basis of $40,000; fair market value of $60,000) and inventory (basis of $40,000; fair market value of $40,000). After the distribution, Petra's bases in the land and inventory, respectively, are: a. $25,000 and $25,000. b. $10,000 and $40,000. c. $40,000 and $0. d. $40,000 and $40,000. e. $40,000 and $10,000