2000019301

Three ice cream stands of ICE company reported their July sales of four ice cream flavors in number of portions sold. All data can be seen in the table below. $$\begin{array}{|ccccc|}\hline & \text{vanilla}& \text{chocolate}& \text{nut}& \text{strawberry}\\ \text{Stand 1}& 720& 800& 1200& 360\\ \text{Stand 2}& 550& 434& 900& 300\\ \text{Stand 3}& 610& 300& 200& 750\\ \hline\end{array}$$ The data provided by the stands for August sales are reported in the matrix $A$. $$A=\left(\begin{array}{cccc}650& 470& 890& 410\\ 500& 505& 890& 300\\ 380& 520& 350& 800\end{array}\right)$$ If the July sales are rewritten to the matrix $J$, by what matrix the sales of ice cream for both summer months are described?