The partial financial statements of Smart Brain Ltd appear below:

	2021	2020
	$	$
Sales Revenue	700 200	650 000
Cost of Sales	422 000	474 500
Net Profit after tax	82 000	58 000
Total Current Assets	161 300	144 400
Total Non-current Assets	440 700	370 800
Total Current Liabilities	75 400	80 100
Total 5 year 10% Debentures	110 600	125 900
Share Capital	340 000	300 000
General Reserve	10 000	10 000
Retained Earnings	175 000	95 000

The company does not have any inventory on hand in 2020 but total prepaid expenses amount to $51 400.

Required:

Using the above information, you are required to calculate the following financial ratios. (4 marks)

1. Quick ratio for 2020_________

2. Profit margin for 2020_________

3. Debt to assets for 2021_________

4. Return on ordinary shares equity for 2021_________