Consider a small ferry that can accommodate cars and buses. the toll for cars is $3, and the toll for buses is $10. let x and y denote the number of cars and buses respectively carried on a single trip. suppose the joint distribution of x and y is given below. compute the expected revenue from a single trip. suppose the joint distribution of x and y is as given in the table below. y p(x, y) 0 1 20 0 .025 0.015 0.0101 0 .050 0.030 0.020x 2 0.065 0.075 0.0503 0 .150 0.090 0.0604 0 .100 0.060 0.0405 0 .050 0.030 0.080compute the expected revenue from a single trip.