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A manufacturer of aluminum doors currently is able to sell 500 doors per week at a price of $70 each: If the price were lowered to $60 each, an additional 70 doors per week could be sold. Estimate the current elasticity of demand for the doors, and also estimate the current value of the manufacturer's marginal-revenue function. The elasticity of demand for the doors is approximately (Type an integer or a decimal. Do not round until the final answer. Then round to the nearest hundredth as needed.) al in Mar Om m 50 .9q m = 5 600-59- 50 n m = e 500-60- 50 we have Enter your answer in the answer box and then click Check