Consider the following. Quantity Demanded x = 21 Demand Function p = 800 – 3x Find the price elasticity of demand for the demand function at the indicated x-value. Is the demand elastic, inelastic, or of unit elasticity at the indicated x-value? O The demand is elastic at this x-value. The demand is inelastic at this x-value. The demand is of unit elasticity at this x-value. Use a graphing utility to graph the revenue function.

Imagine you are the mayor of a town and you are trying to decide if you should pay for a fireworks show. Your staff survey your 400 citizens who say that they each value a fireworks show at $10. The fireworks show only costs $3,000 so you put on the show but when you ask for donations to pay for the fireworks you only receive $25 total. What does this result show? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. You staff's survey must have overestimated the value of a fireworks show. b The fireworks cost must have been greater than their economic benefit. The firework show suffered from the Tragedy of the Commons problems d The town's citizens were free-riders.

can you please help with part D the last two questions, thank you.

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