I need help writing this memo. What FASB codification should I use and an explanation.

You are an auditor for Lane Collins Robinson, LLP. Orange Corporation, one of your clients, made four security investments during the year: 2015,Orangepurchased1,00%00,restinpaidOrangeadividendof On January 1, 2015, Orange purchased a 35% interest in Canary, Inc. for $400,000. Canary's net income for the year was S1,000,000, and it paid Orange a dividend of S30,000 on December 28. At year end, Orange's Canary stock was valued at $500,000. Canary is not publicly traded