Please help with questions 5, 6, 7, 8.

3. If a c goods sold A. ompany's per unit cost of inventory purchases increased during the year, yet the cost of as a % of sales revenues was lower than the prior year, then for the current year gross margin as a % of sales revenues must have decreased B. sales price per unit must have increased. C. sales volume must have increased. D. sales price per unit must have increased and sales volume must have increased. 4. If a company improves their timely collection of accounts receivables reducing the average period of time receivables are outstanding, then receivables turnover has A. increased B. decreased C. remained unchanged D. The answer cannot be determined from information provided. 5. Given the following information for the year ended 12/31/X3: 12/31/X3 Balances DR(CR) Sales Revenues Selling and Administrative Expense 42,000 Sales Discounts Sales Returns and Allowances Cost of Goods Sold Interest Expense Determine the 20X3 gross margin A. $22,000 B. $26,000 C. $39,000 D. $68,000 E. none of these $(210,000) 6,000 11,000 125,000