KRMY-TV is currently contemplating a T-shirt advertising promotion.
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KRMY-TV is currently contemplating a​ T-shirt advertising promotion. Limited sales data from a few​ T-shirt

shops marketing a prototype of the KRMY design indicate that

Q​ = 1,500​ - 200P, where Q is​ T-shirt sales and P is price.  At what price would the point price elasticity of demand be​ -1?

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