Required information [The following Information applies to the questions displayed below.] Rolf exchanges an office building with FMV of $145,000 and stock with FMV of $30,000 for investment land with FMV of $175,000. Rolf's adjusted basis in the building and stock is $104,500 and $10,000, respectively. a. How much gain (or loss) will Rolf recognize on the exchange? (Loss amounts should be indicated by a minus sign. Leave no answers blank. Enter zero if applicable.) $ b. What's Rolf's basis in the investment land received? (Leave no answers blank. Enter zero if applicable.)