if you can do this for me tonight you're literally saving me from an F. please help me out. analyze the prompt and explain to jeff what the economic principles are. i'm doing the principles of supply, increase of supply, decrease of supply and elasticity of supply!

ASSESSMENT TASK: ECONOMIC APPLICATION/ANALYSIS BACKGROUND: Students are given an economic scenario (prompt) to analyze and to apply their knowledge of economic principles and concepts in analyzing the situation. They must appropriately analyze prompt and apply the concepts and principles in their analysis. PROMPT It is Valentine's Day! Jeff had been putting off buying his sweetheart a Valentine card. Desperate, he rushed to the nearest Hallmark Card store to pick up a card. To his surprise, the price of cards had tripled. Nevertheless, many people lined up at the check-out counter to pay for their cards. Confused and frustrated, Jeff left the store without buying a card. He drove straight to your house to vent his frustration and seek advice. DIRECTION As an economics student and Jeff's friend, explain to him what economics principles are at work at Hallmark Card store. In your explanation, use one example of each of the following economic concepts; Demand, Supply, Increase in demand, decrease in Demand, Increase in supply, decrease in supply, elasticity of demand, elasticity of supply, opportunity cost, trade-off, Equilibrium price or Market clearing price, and invisible hand. PROCEDURE The Above economic concepts are reviewed with students. Students will be orally challenged to give their own examples to validate or correct their understanding of the concepts. SCORING GUIDE A = Paper explained the situation in detail and used at least five or more of the above Economic concepts in the essay. Examples are clear and correct. B = Paper explained the situation in detail and used at least four or more of the above Economic concepts in the essay. Examples are clear and correct. C = Paper explained the situation in detail and used at least three of the above economic Concepts in the essay. Examples are clear and correct. D = Paper explained the situation in detail and used at least two of the above economic s in the answer. Examples are clear and correct