Q 84

The relationship between the MP and MC curves is
A) that the MP is not defined when the MC curve has a negative slope.
B) there is no predictable relationship.
C) over the range where the MC curve has a positive slope, the MP curve also has a positive slope.
D) over the range where the MP curve has a positive slope, the MC curve has a negative slope.
E) over the range where the MP curve has a negative slope, the MC curve also has a negative slope.

Q 85

If marginal cost increases when output increases, then
A) average total cost must decrease when output increases.
B) total cost is constant.
C) average variable cost must increase when output increases.
D) average fixed cost is constant.
E) marginal product must decrease when output increases.

Q 86

When the marginal product is increasing as the quantity increases, then, as the quantity increases, the
A) total cost is decreasing.
B) fixed cost is increasing.
C) average product is decreasing.
D) total product is decreasing.
E) marginal cost is decreasing.