Journ Co. purchased short-term investments in available-for-sale securities at a cost of $51,000 on November 25, 2017. At December 31, 2017, these securities had a fair value of $47,900. This is the first and only time the company has purchased such securities. 1. & 2. Prepare the December 31, 2017, year-end adjusting entry for the securities' portfolio and the April 6, 2018, entry when Journ sells one-half of these securities for $26,520.