Pedro sells investment land on September 1, 2014. Information pertaining to the sale follows:
Adjusted basis $25,000
Selling price 90,000
Selling expenses 1,500
Down payment 12,000
Four installment payments 15,000
Mortgage assumed by the buyer 18,000
Each installment payment is due on September 1 of 2015, 2016, 2017, and 2018 (ignore interest). Determine the tax consequences in 2014, 2015, 2016, 2017, and 2018.