Omar Has the Following Stock Transactions During 2019 A What Is Omar's Recognized Gain or Loss on the Stock

Omar has the following stock transactions during 2019: $\begin{array}{lccc}\text { Stock }&\text { Date }&\text { Number of }&\text { Number of }&\text { Basis }&\text { Selling Price }\\&\text { Purchased /Sold }&\text { Shares/Sold }&\text { Shares }\\&&&\text { Purchased }\\\text { Orange } & 1 / 2017 && 100 & \$ 1,000 \\\text { Blue } & 6 / 2017 && 200 & 3,000 \\\text { Yellow } & 4 / 2018 && 50 & 1,250\end{array}$ $\begin{array}{lccccc}\text { Blue } & 2 / 2019 & & 150 & 1,800 & \\\text { Yellow } & 3 / 2019 & & 175 & 5,250 & \\\text { Blue } & 7 / 2019 & 250 & & & \$ 3,500 \\\text { Yellow } & 11 / 2019 & 200 & & & 7,200\end{array}$
a. What is Omar's recognized gain or loss on the stock sales if his objective is to minimize the recognized gain and to maximize the recognized loss?
b. What is Omar's recognized gain or loss if he does not identify the shares sold?