This document outlines the monthly costs for Ben Marshman, a pediatrician in Switzerland who earns a salary of CHF 400,000 per year. It details his rent of CHF 2,680 per month for an apartment, car payment of CHF 523 per month, and other regular expenses like health insurance, food, utilities, and a gym membership. After accounting for all costs including taxes, Marshman is left with CHF 22,615 per month that he plans to spend on vacations, hobbies, charity donations, savings, and home goods.