Dear Annie: I’m 74 years of age, and I rent a room from a lady who has a 15-year-old son. I pay $600 a month for rent. I pay her $350 in cash, and I work off the other $250 by cleaning and cooking. I vacuum and make her bed and clean the restrooms. I wash dishes and clean the kitchen. When I cook food, I always wash the dishes and put them away as I go. So, when the food is prepared, I put it in…