Bob's Baubles,Inc

Multiple Choice

Bob's Baubles,Inc.,sells its product for $3 each in a perfectly competitive market.If it increases its workforce from 1,000 to 1,001,its output goes from 615 to 625 per day.Bob should hire the 1,001^st worker only if:

A) the wage is more than $30 per day.
B) the wage is $30 or less per day.
C) the wage is less than $10 per day.
D) the wage is less than $3 per day.