XYZ$,$ Inc. has plants in three locations and is currently working on three major construction projects, each located at a different site. The shipping cost per truckload of concrete, daily plant capacities, and daily project requirements are provided in the table below. FROM TO PLANT $1$ PLANT $2$ PLANT $3$ REQUIREMENT PolectA Delet Posts CAPACITY $$5$ $$2$ $$61706215043180100150250$ Suppose that A$1,$ A$2,$ A$3,$ B$1,$ B$2,$ B$3,$ C$1,$ C$2,$ and represent the amounts delivered to projects A$,$ B$,$ and from plants $1,2$ and $3$ respectively Formulated as a linear program to determine the least cost way to meet the requirements, suppose the following solution $($optima$)$ is provided for the transportation problem above. Based on the results in the table below $($optimal solution table$),$ which of the following is not true?