Joe's Window Washing is searching for an ideal location to support its Houston customers. It washes windows in three neighborhoods. Plotting the center of each neighborhood on an X$-$Y Grid yielded the following results: Neighborhood $1$: X $=1$Y $=6$; POPULATION $=10$ Neighborhood $2$: X $=3$Y $=4$; POPULATION $=20$ Neighborhood $3$: X $=5$Y $=2$; POPULATION $=30$ Using the Weighted Center of Gravity Method, what are the X$-$Y coordinates for the optimal location $?$