Table:
Organisms	Antibiotics	Concentration (μg/mL)	Fold enhancement of activity
E. coli (CA8000)	Rifampicin	20.0	38.8
Rifampicin	30.0	12.6
Ampicillin	6.0	5.3
Tetracycline	1.0	2.3
Tetracycline	2.0	5.2
Nalidixic acid	6.0	50.0
B. subtilis (MTCC121)	Rifampicin	0.05	19.4
Ampicillin	0.01	5.1
Tetracycline	1.0	3.5
Nalidixic acid	2.0	7.0
M. smegmatis (MC2 155)	Rifampicin	0.05	1.9
Ampicillin	0.01	4.7
Tetracycline	1.0	4.0
Nalidixic acid	2.0	1.2

What are the following image content in markdown style: | Organisms | Antibiotics | Concentration (μg/mL) | Fold enhancement of activity | 
 | --- | --- | --- | --- | 
 | <ROWSPAN=6> E. coli (CA8000) | Rifampicin | 20.0 | 38.8 | 
 | Rifampicin | 30.0 | 12.6 | 
 | Ampicillin | 6.0 | 5.3 | 
 | Tetracycline | 1.0 | 2.3 | 
 | Tetracycline | 2.0 | 5.2 | 
 | Nalidixic acid | 6.0 | 50.0 | 
 | <ROWSPAN=4> B. subtilis (MTCC121) | Rifampicin | 0.05 | 19.4 | 
 | Ampicillin | 0.01 | 5.1 | 
 | Tetracycline |

1.0 | 3.5 | 
 | Nalidixic acid | 2.0 | 7.0 | 
 | <ROWSPAN=4> M. smegmatis (MC2 155) | Rifampicin | 0.05 | 1.9 | 
 | Ampicillin | 0.01 | 4.7 | 
 | Tetracycline | 1.0 | 4.0 | 
 | Nalidixic acid | 2.0 | 1.2 |