a=5b=2following problem.Maximizesubject toRefer to the photo(a) Use the graphical method to solve this problem. Circle all the corner pointson the graph.(b) For each CPF solution, identify the pair of constraint boundary equationsit satisfies.(c) For each CPF solution. identifv its adiacent CPF solutions.(d) Calculate Z for each CPF solution. Use this information to identify an op-timal solution.(e) Describe graphically what the simplex method does step by step to solve theproblem.