With the given data please help calculate the following ratios. Please also help me understand the working to get the numbers

1. Total Asset Turnover Ratio
2. Fixed Asset Turnover Ratio
3. Current Asset Turnover Ratio
4. Interest Coverage Ratio (times interestearned)
5. Working Capital Turnover Ratio
6. Return on Fixed assets

Balance Sheet
	2012-13	2013-14	2014-15
Assets
Fixed Assets	1900	2500	4700
Cash	40	100	106
Acc Rec	300	1500	2100
Inventory	320	1500	2250
Total	2560	5600	9156
Equities and Liabilities
Equity (Common Stock)	1200	1600	2000
Reserves(Retained Earnings)	364	1036	1876
Preferred Stock	0	0	0
Stock Holders Equity	1564	2636	3876
Long Term borrowings	736	1236	2500
Current Liabilities	260	1728	2780
Total	2560	5600	9156

Income Statement
	2012-13	2013-14	2014-15
Sales
Cash	200	480	800
Credit	1800	4320	7200
Total Sales	2000	4800	8000
COGS	1240	2832	4800
G P	760	1968	3200
Ope Exp	80	450	1000
EBIDTA	680	1518	2200
Depn	100	400	660
EBIT	580	1118	1540
Interest	60	158	340
PBT	520	960	1200
Tax	156	288	360
PAT	364	672	840