Brooks Co. purchases various investments in trading securities at a cost of $57,000 on December 27, (This is its first and only purchase of such securities) At December 31, 2015 these securities had a fair value of $63,000. Prepare the December 31, 2015, year-end adjusting entry for the trading securities portfolio and the January 3, 2016, entry when Brooks sells a portion of its trading securities (that had originally cost for $28, 500 for $30,000. (If no entry is required select No journal entry required in the first entry field.) view transaction list. view general journal Record the fair value of the securities a December 31, 2015. Date General Journal Debit Credit Dec 31, 2015 Enter debits before credits done clear entry record entry