Accounts receivable 17,932,000,000 is services that have been provided that haven't been paid and is promised to be paid at a later time.

Allowance for Doubtful Accounts 58,000,000 according to the book are the accounts that are assessment of various factors like the age of account and credit quality and the customers ability to pay. So accounts that basically didn't get paid at a promised date or time when services were rendered to them.

Accounts Receivable Net 17,932,000,000-58,000,000= 17,874,000,000 is the amount that you get when you subtract the Allowance for doubtful accounts from accounts receivable.

Respond to the above paragraphs with additional information in your own words in two paragraphs.