PLEASE help!

3. [20 points] (Use the graphical method for the following problem): A publishing company produces hardcover and softcover books. The following table gives the labor requirements (based on personnel and machinery) and profits per book produced: Hardcovers Softcovers Printing 30 labor-hours 30 labor-hours Binding 3 labor-hours 2 labor-hours Daily Profit $12 $8 Each day, 810 labor-hours are available to print these books and 60 labor-hours are available to bind them. How many hardcover and softcover books to produce each day in order to maximize daily profit under these constraints? Your solution should include the following: . Clearly defined variables. . A list of inequality constraints. . An objective function. . The number of books of each type that should be produced by the company along with a justification of your answer involving the graphical approach