1. Which of the following statement is NOT correct:
   1. Total fixed cost remain the same regardless of activity level
   2. Per-unit variable cost remains the same regardless of activity level.
   3. Total variable costs increases and decreases proportionately with activity level
   4. All of the above
   5. None of the above

Use the following information to answer question 3 5

David Trading Inc activities for the month of March, 2020

Sales	1,000 units
Sales price per unit	$200 per unit
Variable cost per unit	$120 per unit
Fixed costs	$30,000