Lame Example Furniture Company makes two products for its adoring public: chairs (C)and tables (T). Each chair requires 5 hours of labor (L) and 4 linear feet of rich mahogany (M), and each table requires 3 hours of labor and 20 linear feet of rich mahogany. The company has 240 labor hours available this week, and the warehouse has 700 linear feet of rich mahogany available. The company has to make at least 20 tables. Profit for each chair is $300 and for each table is $1500. Which of the following is not a feasible production plan?

a 35 chairs and 20 tables

b 20 chairs and 35 tables

c 30 chairs and 25 tables