Optimal Power Line Location . Power distribution company is planning to build a main power line from east to west (x-axis) across its distribution area . The area has n houses The company wants to connect each house directly to the main power line with smaller power lines in north-south direction (y- axis) . Your task is to estimate the optimal position (on the y-axis) of the main power line, so that the total length of smaller power lines is the shortest. Write a program cmsc401.java that. Takes as input In the first line, the number of houses n, n-2, n