Find the Complete Optimal Solution to This Linear Programming Problem

For the following linear programming problem,determine the optimal solution using the graphical solution method.Are any of the constraints redundant? If yes,identify the constraint that is redundant.

Maxwell Manufacturing makes two models of felt-tip marking pens.Requirements for each lot of pens are given below. ​ The profit for either model is $1000 per lot. a.What is the linear programming model for this problem? b.Find the optimal solution. c.Will there be excess capacity in any resource? ​