Let the firm manufacture number of necklaces and y number of bracelets a day.
According to the question,
Maximize
The feasible region determined by is given by
The corner points of the feasible region are . The number of bracelets should be whole number. Therefore, considering point The value of at corner point is
The maximum value of is 4700 at point .
The firm should make 2 necklaces and 15 bracelets.