Each type of screw
requires the use of two machines, an automatic and a hand operated It takes
4 minutes on the automatic and 6 minutes on hand operated machines to
manufacture a package of screws A, while it takes 6 minutes on automatic and
3 minutes on the hand operated machines to manufacture a package of screws
B Each machine is available for at the most 4 hours on any day The manufacturer
can sell a package of screws A at a profit of Rs 7 and screws B at a profit of
Rs 10