A Small Firm Manufactures Bookshelves and Desks for Microcomputers

Multiple Choice

A small firm manufactures bookshelves and desks for microcomputers. For each product it is necessary to use a table saw and a power router. To manufacture each bookshelf, the saw must be used for hour and the router for 1 hour. A desk requires the use of each machine for 2 hours. The profits are $20 per bookshelf and $50 per desk. If the saw can be used for 8 hours per day and the router for 12 hours per day, how many bookshelves and desks should be manufactured each day to maximize the profit?

A) 4 bookshelves and 2 desks
B) 4 bookshelves and 4 desks
C) 2 bookshelves and 4 desks
D) 0 bookshelves and 2 desks
E) 4 bookshelves and 0 desks