Nike, Incorporated, is a leading manufacturer of sports apparel, shoes, and equipment. The companys 2020 financial statements contain the following information ($ in millions):

	2020	2019
Balance sheets:
Accounts receivable, net	$ 2,749	$ 4,272
Allowance for uncollectible accounts	214	30
Income statements:
Sales revenue	$ 37,403
Statement of Cash Flows:
Amortization, impairment and other	398
Decrease in accounts receivable	1,239

Assume that all sales are made on a credit basis.

Required:

1. What is the amount of gross (total) accounts receivable due from customers at the end of 2020 and 2019?
2. Assume that bad debt expense is included in amortization, impairment and other, such that the 2020 decrease in accounts receivable of $1,239 reflects only the difference between sales and collections. Prepare a T account that depicts how sales, collections, bad debt expense, and writeoffs of bad debts affect the balance of net accounts receivable with a debit, a credit or not at all, and estimate Nikes 2020 bad debt expense.
3. Prepare a T account that depicts how bad debt expense and writeoffs of bad debts affect the balance of the allowance for uncollectible accounts with a debit, credit or not at all, and estimate the amount of bad debts written off by Nike during 2020.
4. Analyze changes in the gross accounts receivable account to calculate the amount of cash received from customers during 2020.
5. Analyze changes in the following Accounts Receivable (net) T-account to calculate the amount of cash received from customers during 2020.