inventory in quarter $4.$b$.$ Solve the linear program formulated in part $($a$).$ Then develop a table that will show for each quarter the number of units to manufacture, the ending inventory, and the costs incurred.$$c$.$ Interpret each of the dual values corresponding to the constraints developed to meet demand in each quarter. Based on these dual values, what advice would you give the production manager?$$d$.$ Interpret each of the dual values corresponding to the production capacity in each quarter. Based on each of these dual values, what advice would you give the pro$-$duction manager?