The table sets out the marginal benefits that Sam and Nick receive from the town's street lighting: Marginal benefit Number of Sam Nick street lights (dollars per street light) 10 12 9 WN - 8 6 6 4 4 5 2 0 Is the town's street lighting a private good or a public good? The town's street lighting is a good because O A. public; streetlights are provided by the town O B. public; a streetlight is nonrival and nonexcludable O.C. private; Sam and Nick benefit individually from street lights O D. public; the public benefits from street lights