The financial statements of XYZ Ltd. contain the following information for the year ending 31-12-2015.

	$
Cash	2,00,000
Sundry debtors	5,00,000
Short term investment	4,00,000
Stock	25,00,000
Prepaid expenses	15,000

Total current assets: $36,15,000

	$
Current liabilities	12,00,000
12% Debentures	18,00,000
Equity share capital	25,00,000
Retained earnings	10,00,000

Statement of Profit for the year ending 31-12-2015

	$
Sales (25% cash sales)	50,00,000
Less: Cost of goods sold	35,00,000
Profit before interest & tax	15,00,000
Less: Interest	2,50,000
Profit before tax	12,50,000
Less: Tax @30%	3,75,000

Net Profit: $8,75,000

Calculate: (i) Current ratio, (ii) Debt equity ratio, (iii) Return on total assets, and (iv) Inventory turnover ratio.