Understanding fixed and variable cost. Briefly describe what happens to each of the following as volume increases. Assume all values stay within their relevant range. a. Total fixed cost? b. Total...

Understanding fixed and variable cost. Briefly describe what happens to each of the following as volume increases. Assume all values stay within their relevant range.

a. Total fixed cost?

b. Total variable cost?

c. Fixed cost per unit?

d. Variable cost per unit?

Product margin. Based on the product margin, when is it in the best interests of an organization to continue or drop a service?