When Marginal Cost Is Rising

question 222

Multiple Choice

When marginal cost is rising:

• A)average variable cost must be rising.
• B)average total cost must be rising.
• C)average variable cost and average total cost must be falling.
• D)both average variable cost and average total cost may be rising or falling.

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Definitions:

Ectoderm

The outermost layer of cells or tissue of an embryo in early development, giving rise to the nervous system and the epidermis, among other structures.

Mesoderm

The middle layer of an embryo in early development, giving rise to the musculoskeletal, vascular, and urogenital systems.

Trophoblast

The outer layer of cells surrounding a blastocyst in early pregnancy, which provides nutrients to the embryo and develops into part of the placenta.

Embryonic Period

A stage of prenatal development that takes place from fertilization until about the eighth week, during which the major organs and structures of the organism begin to develop.