Suppose Spectrum is the only cable TV provider in a city. The table below shows the market demand schedule and the firm's total costs. Price Quantity TC ($/month) (subscribers) ($/month) 66 3,500 257,250 62 4,500 275,250 58 5,500 295,250 54 6,500 317,250 50 7,500 341,250 46 8,500 367,250 42 9,500 395,250 Spectrum's marginal revenue from subscribing the 6,000th customer is $ A/ (enter a whole number, example: 99)