In Describing the Cost Formula Equation, Y = a

question 123

Multiple Choice

In describing the cost formula equation, Y = a + bX, which of the following is correct:

• A) "Y" is the independent variable.
• B) "a" is the variable cost per unit.
• C) "a" and "b" are valid for all levels of activity.
• D) in the high-low method, "b" equals the change in cost divided by the change in activity.

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Definitions:

Lymphotoxin

A cytokine produced by certain lymphocytes that can induce cell death and has a role in immune response.

Cytokines

Small proteins released by cells, particularly immune cells, that have a specific effect on the interactions and communications between cells.

Interleukin 4

A cytokine that plays a significant role in immune system regulation, promoting the development of T helper 2 cells.

Antigen-presenting Cells

Specialized immune cells that process and present foreign antigens to T-cells to initiate an immune response.