Abuja furniture company manufacturing tables and chairs using wood and labour only. Wood for one table is 30 units and for chair is 20 units and the labour spent on table is 5 units and for chair is 10 units. Total units of wood available are 300, and of labour are 110. The unit profit for chair is Rs. 8 and for table is Rs. 6. How many chairs and tables should be made to get maximum profit?