64 (b) Call the library function "lpSolve" 65 You need to execute this library function each time when you run linear programming 66{r} 67 library (lpSolve) 68 69 70 (c) Enter problem data 71{r} 72 73 74 75 76 77 (d) Solution: 78 i. Solve the problem 79={r} 80 81 82 83 ii. Display the optimum solution values 84 85{r} 86 87 88 89 90 iii. Display the objective function value 91 92{r} 93 94 a5 Burger Office Equipment produces two types of desks, standard and deluxe. Deluxe desks have oak tops and more-expensive hardware and require additional time for finishing and polishing. Standard desks require 75 board feet of pine and 10 hours of labor, whereas deluxe desks require 60 board feet of pine, 20 square feet of oak, and 16 hours of labor. For the next week, the company has 3,960 board feet of pine, 800 square feet of oak, and 736 hours of labor available. Standard desks net a profit of $270, and deluxe desks net a profit of $360. All desks can be sold to national chains like Staples or Office Depot