Suppose selected comparative statement data for the giant bookseller Barnes & Noble are presented here. All balance sheet data are as of the end of the fiscal year (in millions).

2020 2019
Net sales $5,200 $5,500
Cost of goods sold 3,484 3,830
Net income 78 123
Accounts receivable 82 103
Inventory 1,146 1,262
Total assets 2,990 3,510
Total common stockholders’ equity 992 1,031

Required:
Compute the following ratios for 2020.