Nike, Inc., is a leading manufacturer of sports apparel, shoes, and equipment. The company's 2015 financial statements contain the following information (in millions) Balance sheets: Accounts receivable, net 3,358 $ 3,434 Income statements Sales revenue $30,601 $27,799 A note disclosed that the allowance for uncollectible accounts had a balance of $78 million and $78 million at the end of 2015 and 2014, respectively. Bad debt expense for 2015 was $20 million. Assume that all sales are made oh a credit basis Required: 1. What is the amount of gross (total) accounts receivable due from customers at the end of 2015 and 2014? 2. What is the amount of bad debt write-offs during 2015? 3. Analyze changes in the gross accounts receivable account to calculate the amount of cash received from customers during 2015 4. Analyze changes in net accounts receivable to calculate the amount of cash received from customers during 2015