please help me with this operation research model caae

please use the method describe in this one and explain in details

Its very important thanks!

And provide an solution to the problem

2- This business is dedicated to produce different types of bookshelves. The following table describe the amount of resources to do so: Glass Wood Paint Resources $$ Bookshelf 1 4 4 6 $14 Bookshelf 2 5 5 4 Bookshelf 3 6 4 4 $12 Available 15 13 16 Resources $18 Determine the qty of each bookshelf this company should produce in order to maximize resources. Using simultaneous solution