Found that the center of gravity is (9,10)

What is the load-distance score to M? (Enter your response as an integer.)

What is the load-distance score to the center of gravity? (Enter your response as an integer.)

A larger and more modern main post office is to be constructed at a new location in Davis, California. Growing suburbs caused a shift in the population density from where it was 40 years ago, when the current facility was built. Annette Werk, the postmaster, asked her assistants to draw a grid map of the seven points where mail is picked up and delivered in bulk. The coordinates and trips per day to and from the seven mail source points and the current main post office, M, are shown in the following table. M will continue to act as a mail source point after relocation