請問這題的答案
【題目】 You are an economist for the Taipei City Subway Commission. Presently, the price of a subway ride is $80, and 250,000 seats are filled weekly. The income elasticity of demand is -0.60. If a recession lowered area incomes by 5％, how many additional seats per week would the subway need?1,500 seats
5,000 seats
1,000 seats.
7,500 seats 答案 7,500 seats
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