Sellall Department Stores reported the following amounts as of its December 31 year-end: Administrative Expenses, $1,600; Cost of Goods Sold, \$19,800; Income Tax Expense, \$2,300; Interest Expense, \$2,800; Interest Revenue, \$320; General Expenses, \$1,800; Net Sales, $36,000; and Delivery (freight-out) Expense, $420. Required: 1. Calculate the gross profit percentage. 2. How has Sellall performed, relative to the 24.5 percent gross profit percentage reported for Walmart in 2019 ? (You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer.) ? Sellall Department Stores earned a higher gross profit percentage than Walmart. ? Walmart earned a higher gross profit percentage than Sellall Department Stores. Sellall includes more mark-up in the prices it charges customers than Walmart. Walmart includes more mark-up in prices it charges customers than Sellall. ? Walmart is more successful than Sellall. ? Sellall is more successful than Walmart