How can resellers use print management engagement to increase revenue and profit?

A.
Resellers can up-sell from color printers to mono-only printers.
B.
Resellers can move from transactional sales to selling service-based contracts.
C.
Resellers can up-sell from HP Laser printer to HP Large Format printers.
D.
Resellers can move from selling HP PCs and servers to selling HP ProCurve products.
Explanation: