$10\mathrm{.}1.$ Provide entries for the following events assuming the securities are properly accounted for as trading securities$.$ a$.$ Turner Co$.$ buys $500$ shares of Green Co$.$ common stock at $$\frac{10}{?}$ share on $\frac{6}{1}\frac{?}{A}.$ On $\frac{8}{1}$ they buy $300$ shares of Gold Co$.$ preferred at $$25/$share$.$ b$.$ At $12/31/$A the following market prices are observed: Green, $$12$; Gold, $$20.$ What is the nature of the gain$/$loss$,$ and where is it reported? c$.$ On $4/1/$B$,200$ shares of Green are sold at $$11$ share, and $100$ shares of Gold are sold at $$\frac{21}{?}$ share. What is the nature of the gain$/$loss$,$ and where is it reported? d$.$ On $12/31/$B$,$ the following market prices are observed: Green, $$11$; Gold, $$22.[$ck: b$.$ UHL $500.$ c$.$ loss $($realized$)100.$ d$.$ UHG $100.]$