Which of the following generates the contribution margin?

Fixed cost per unit Selling price per unit

Variable cost per unit - fixed cost per unit

Selling price per unit variable cost per unit

Selling price per unit fixed cost per unit

Short-term decision making differs from normal operating decision in two ways, which of the following are the two ways?

Short-term operating decisions are routine and anticipated

Short-term decision can not be planned and address routine operating decision.

Short-term operating decisions are unique and will expand plant capacity

Short-term operating decisions are unique and can not be planned