$1.$ What is the amount of any available$-$for$$sale investment securities reported in the balance sheet?

$2.$ How are unrealized gains or losses on available$$for$$sale investments reported: in net income or OCI?

$3.$ In what note does GM indicate that policy?

$4.$ Are any investments reported by the equity method?

$5.$ In what note does GM provide an in$$depth discussion of them?

$6.$ What amounts from equity method investments are reported in the $2019$ income statement?

Note: Enter your answers in millions.