3) Please be very clear with your answer. please put a box around each section,Thank you!

Scoring: Your score will be based on the number of correct matches. There is no penalty for incorrect or missing matches. Match each of the following descriptions with the appropriate term. Clear All The point at which a business's revenues exactly equal costs Variable costs The excess of sales revenues over variable costs Fixed costs A specific activity range over which the cost changes are of interest Break-even point Vary(ies) in proportion to changes in activity levels Contribution margin Remain(s) the same in total dollar amount as the level of activity changes Relevant range