How does each situation affect the income statement?

How does each situation affect the balance sheet?

A trading security whose fair value is currently less than cost is transferred to the available for sale category. An available for sale security whose fair value is currently less than cost is classified as non current but is to be reclassified as current. A company's portfolio of available for sale securities consists of the common stock of one company. At the end of the prior year, the fair value of the security was 50% of original cost, and this reduction in fair value was reported as an other than temporary impairment. However, at the end of the current year, the fair value of the security had appreciated to twice the original cost. The company has purchased some convertible debentures that it plans to hold for less than a year. The fair value of the convertible debentures is $7,700 below is cost