The financial statements of Muller Pty Ltd include the following items:

Details	Current Year ($)	Preceding year ($)
Cash	18000	22000
Short term investments	15000	25000
Accounts receivables	64000	70000
Inventory	88000	65000
Prepaid expenses	10000	11000
Total current assets	195000	193000
Income statement:
Net credit sales	562000
Cost of sales	298000
Current liabilities	562000

Required:

Calculate the following ratios for the current year:

1. Current ratio
2. Acid test ratio
3. Inventory turnover
4. Days in inventory
5. Days sales in accounts receivables
6. Goss profit margin