Defects per million opportunities (dpmo) =
a. opportunities for error / (number of defects discovered x 10,000,000)
b. (number of defects discovered / opportunities for error) x 100,000
c. (number of defects discovered / opportunities for error) x 1,000,000
d. opportunities for error x number of defects discovered / 1,000,000

Eileen's elegant earrings produces pairs of earrings for its mail order catalogue business. each pair is shipped in a separate box. she rents a small room for $150 a week in the downtown business district that serves as her factory. she can hire workers for $275 a week. there are no implicit costs. what is the marginal product of the second worker?

Jewelry manufacturers produce a range of products such as rings, necklaces, bracelets, and brooches. what fundamental economic question are they addressing by offering this range of items?

Which of the following is an example of search costs? a.) driving to a faraway place to find available goods b.) buying goods in some special way that is outside the normal channels c.) paying a premium cost for goods d.) selling extra goods for a discount price