Our little boy came up to his mother one evening while she was cooking supper, and handed her a piece of paper with some words written on. And this is what it said: For cutting the grass in the garden $5.00 For cleaning up my bedroom this week $1. 00 For going to the store for you $0. 50 For baby-sitting my kid brother while you went shopping $2. 25 For taking out the rubbish $1. 00 For getting a good report card $5. 00 Total owed  :  $14.75 After reading, his mother thought for a while. Then she picked up the pen, turned over the paper and wrote: For the nine months I carried you while you were growing inside me--free For the nights and days I worried about you--free For the toys, clothes, food--free For all the love I've given you--free Then with tears in his eyes, our son looked straight up at his mother and said, "Mom, I love you. " And he took the pen and wrote: "PAID IN FULL". We can learn from the passage that   _  .
the boy is the writer's only child the boy never asked his mother for money the boy's mother bought toys for him the boy's mother paid him all money he asked for