Extracts from a company 'accounts show the following Statement of profit or loss $000 statement of financial position $000 $000 Revenue 2,250 Non-current assets Cost of sales 1,000 Current assets Gross profit 1,250 Inventory 150 Distribution costs 275 Trade receivables 240 Administrations 150 Cash 100 Operating profit 825 490 Finance cost 80 Long term loans 200 Profit before tax 745 Trade payables 275 Tax 90 Profit for the year 695 Required 1) What is the gross profit margin? 2) What is the return on sales? 3) What is the current ratio? 4) What are the receivable days? 5) What are the payable days? 6) What is the inventory turnover in days?