When the operating workers are at the top of the organisation's decision-making process and supported by the managers located at the bottom, the organisation is operating with:

A) an ineffective management concept.
B) a wrong-sided pyramid.
C) an out-dated organisational chart.
D) an upside-down pyramid.
E) an upside-down organisational chart.

Refer to Table 8.2. If Sherry produces two pairs of earrings, her marginal cost is

A) $40.
B) $45.
C) $72.50.
D) $122.50.