Economics A new machine comes with 180 free service hours over the first year. Additional time costs $176.1 per hour. What is the margi Fifty years ago, Jessy purchased a set of silver-plated dinnerware for $59.9 and last year you inherited it. Unfortunately, a

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a Number of hours 125 Marginal cost 0 since service is costless upto 200 ... View the full answer