I am printing a banner of size 1.5 by 9m.
I have the following two files
1) 150 dpi JPEG file saved in RGB at size 1.5 by 9m
2) TIFF file at size 0.75 by 4.5m
3) 72 dpi JPEG file saved in CMYK at size 1.5 by 9m
Which one will produce the best resolution? i.e. clearest print.
Tks in advance!