How many different formatters do the HP Color LaserJet 4700 Printer Series have?

A.
two different formatters: one for the Color LaserJet 4700 and one for all other bundles: N, DN,
DTN, and PH+
B.
three different formatters: one for the Color Laser Jet 4700, one for the Color Laser Jet 4700n,
and one for all other bundles: DN, DTN, and PH+
C.
three different formatters: one for the Color Laser Jet 4700, one for the Color Laser Jet
4700ph+, and one for all other bundles: N, DN, and DTN
D.
four different formatters: one for the Color LaserJet 4700, one for the Color LaserJet 4700n,
one for the Color LaserJet 4700ph+, and one for the duplex-enabled bundles: DN and DTN