Ratio analysis 1: profitability, ef ficiency, and performance
. Jane Limited has the following statement of profit or loss figures for the year ended 31 December 2021:
Profit for the year: £3,450
Profit before tax: £4,600
Operating profit: £12,000
Revenue: £120,000
Gross profit: £36,000
What is Jane Limited's gross profit percentage for the year ended 31 December 2021?

. Kim Limited has the following statement of profit or loss figures for the year ended 31 October 2021:
Revenue: £210,000
Cost of sales: £115,500
Selling and distribution costs: £21,000
Administration expenses: £31,500
Finance income: £3,889
Finance costs: £5,000
What is Kim Limited's gross profit percentage for the year ended 31 October 2021?

. Charlie is a sole trader and has the following statement of profit or loss figures for the year ended 30 September 2021:
Closing inventory: £21,000
Expenses: £36,000
Purchases : £90,000
Opening inventory: £15,000
Sales: £155,000
What is Charlie's gross profit percentage for the year ended 30 September 2021?

. Oliver is a sole trader and has the following balances in his books for the year ended 30 April 2021:
Closing inventory: £65,000
Purchase returns: £45,000
Purchases: £252,000
Sales returns: £30,000
Opening inventory: £48,000
Sales: £375,000
What is Oliver's gross profit percentage for the year ended 30 April 2021?

. Alex Limited has the following balances in the books of account for the year ended 30 June 2021:
Cost of sales: £340,000
Discounts allowed not taken up by customers: £2,000
Discounts received : £4,000
Sales returns: £20,000
Purchase returns: £25,000
Revenue: £691,000
What is Alex Limited's gross profit percentage for the year ended 30 June 2021?