Analyse the following three years ratios:

Gross profit percentage	38%	37%	30%
Mark-up percentage	60%	59%	44%
Net Profit percentage	6%	9%	10%
Interest coverage	3,24	5,73	7
Return on Assets (ROA)	6%	9%	10%
Return on Equity (ROE)	15%	19%	16%
Activity Ratios
Average days inventory in stock	138	164	67
Average days accounts receivables are outstanding	107	129	58
Average days accounts payables are outstanding	186	186	55
Liquidity Ratios
Current ratio	1,52	1,82	2,63
Quick ratio	0,78	0,94	1,40
Cash ratio	0,04	0,06	0,17
Solvency Ratios
Debt ratio	28%	22%	28%
Equity ratio	41%	48%	61%
Equity multiplier	2,44	2,10	1,63