please do the generator matrix

In cars arrive at a Beach according to a poisson process with a rate of J Cars Ber hour. The time each car stays at the beach follows an exponential distribution with a mean of 10 4 minutes Additionally, the time that each car stays at the beach is independent of howlong the others star, and tame nuker of cars at the beach. ") Model this system as a ClMC by ScReciting its stale space and generator