how do you do this question? can you teach me step by step?

In the example below, you have the information on the cost of the investments, what they were worth at the end of the year, and what they were worth at the end of the next year. Prepare journal entries for the year ended 2013 and year ended 2014 a) The purchase b) The adjusting entry for 12-31-2013 c) The adjusting entry for 12-31-2014 t 1 Investment in Trading Securities Cost 2013 FMV 2014 FMV Microsoft Corp Stock $20,000 19,000 23,000 McDonald's Stock 10,000 9,000 8,000 Burger King Stock 20,000 20,600 22,000 The Market adjustment account has a credit balance already in it of $400