"policymakers would never respond by stabilizing output in response to a temporary positive supply shock." is this statement true, false, or uncertain?

Carver company produces a product which sells for $30. variable manufacturing costs are $15 per unit. fixed manufacturing costs are $5 per unit based on the current level of activity, and fixed selling and administrative costs are $4 per unit. a selling commission of 10% of the selling price is paid on each unit sold. the contribution margin per unit is:

4. the condition requires that only one of the selected criteria be true for a record to be displayed.

Darlene has a balance of 3980 on a credit card with an apr of 22.8% paying off her balance and which of these lengths of time will result in her paying the least amount of interest?