Brenda sold investment land for $200,000 in June. Her basis in the land was $75,000. The purchaser paid Brenda $40,000 cash and gave her his 5-year, interest-bearing note for the $160,000 remaining contract price. In December, Brenda received a $20,000 principle payment on the note. Brenda's recognized gain this year is:a. $22,500 b. $37,500 c. $125,000 d. $60,000