Why does HP routinely test over 300 different paper types from around the planet?

A.
To find out what the Recommended Monthly Print Volume (RMPV) will be

B.
To rebrand them HP

C.
To ensure that no matter where the customer buys their paper from, their printer will perform as
reliably as possible

D.
To check on the competition

Explanation:
Reference:http://h20195.www2.hp.com/v2/getpdf.aspx/c04234596.pdf?ver=0(slide 17)