Please provide calculation and explanations

19) Pure Action Cycles Inc., a bicycle manufacturer, has a net capital loss in 2016 of $64,000. It had net capital gains of $21,500 in 2015, $45,000 in 2014, $10,000 in 2013 (but suffered a net operating loss in 2013), and $8,000 of net capital gain in 2011. What is the net capital gain in 2015 after the carryback is applied?