At January 1, 2020, the available-for-sale securities portfolio held by Stir Corporation consisted of the following investments:

1. 6,500 shares of Moon common stock purchased for $56 per share.

2. 1,500 shares of Sun common stock purchased for $43 per share.

At December 31, 2020, the market values per share were Moon $46 and Sun $48.

Prepare the adjusting entry to report the portfolio at fair value at December 31, 2020 ( write down the steps please!)