At December $31,2020,$ the cost and fair value trading securities for Venuchi, Inc. are as follows. Security Cost Fair Value A $$19,600$ $$18,000$ B $12,90015,000$ C $22,00019,900$ $$54,500$ $$52,900$Instructions:$($a$)$ Prepare the adjusting entry at December $31,2020,$ to report the securities at fair value.$($b$)$ Show the balance sheet and income statement presentation at December $31,2020,$ afteradjustment to fair value. $($c$)$ On January $31,2021,$ Venuchi sells Security A for $$18,500.$ Prepare the journal entry. $($d$)$ On February $28,2021,$ Venuchi sells Security B for $$15,600.$ Prepare the journal entry.